Zoom LiveTrak L-12 Operation Manual
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Zoom LiveTrak L-12 Operation Manual

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Operation Manual
You must read the Usage and Safety Precautions before use.
© 2017 ZOOM CORPORATION
Copying or reprinting this manual in part or in whole without permission is prohibited.
Product names, registered trademarks and company names in this document are the property of their
respective companies. All trademarks and registered trademarks in this document are for identification
purposes only and are not intended to infringe on the copyrights of their respective owners.

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  • Page 1 Operation Manual You must read the Usage and Safety Precautions before use. © 2017 ZOOM CORPORATION Copying or reprinting this manual in part or in whole without permission is prohibited. Product names, registered trademarks and company names in this document are the property of their respective companies.

  • Page 2: Operating Environment

    Do not do anything that could exceed the ratings of outlets and other electrical wiring equipment. Before using the equipment in a foreign country or other region where the electrical voltage differs, al- ways consult with a shop that carries ZOOM products and use the appropriate AC adapter. ■ Alterations Do not open the case or modify the product.
  • Page 3 If the unit becomes broken or malfunctions, immediately disconnect the AC adapter, turn the power off and disconnect other cables. Contact the store where you bought the unit or ZOOM service with the fol- lowing information: product model, serial number and specific symptoms of breakdown or malfunction, along with your name, address and telephone number.
  • Page 4 Introduction Thank you very much for purchasing a ZOOM LiveTrak . The has the following features. 12-channel digital mixer & multitrack recorder combines a digital mixer with 12 total input channels (8 mono and 2 stereo), a multitrack re- corder that can simultaneously record up to 14 tracks, and a 14-in/4-out USB audio interface. Compact and lightweight, this digital mixer is easy to transport and can even be used with PA systems for live perfor- mances in rehearsal studios, cafés and other small venues.
  • Page 5 Contents Usage and Safety Precautions Projects Introduction Changing project names Deleting projects Names and functions of parts Protecting projects Checking project information Rear panel Saving projects to USB flash drives Importing projects from USB flash drives Equipment connection example Managing marks Live PA system Audio files Display overview...
  • Page 6 Troubleshooting Specifications Send effects specifications Mixer block diagram...

  • Page 7: Names And Functions Of Parts

    Names and functions of parts Input channel section ① MIC/LINE input jack ② 48V switch/indicator ③ Hi-Z switch ④ PAD switch ⑤ SIG indicator ⑥ GAIN knob ⑦ COMP knob ⑧ SEL button ⑨ REC/PLAY button ① MIC/LINE input jack These input jacks have built-in mic preamps.

  • Page 8: Sig Indicator

    Turn it on ( ) when connecting a guitar or bass guitar. ④ PAD switch This attenuates (reduces) the input signal of the equipment connected to the MIC/LINE input jack by 26 dB. Turn this on ( ) when connecting line level equipment. ⑤...
  • Page 9 ⑩ LINE input jacks (TS) ⑪ LINE input jacks (RCA) ⑫ USB button ⑬ MUTE button ⑭ Level meter ⑮ Channel fader ⑩ LINE input jacks (TS) Use these input jacks to connect line level equipment. For example, connect keyboards or audio devic- These can be used with 1/4-inch (unbalanced) phone plugs.

  • Page 10: Mute Button

    ⑫ USB button This switches the signals input to channels 9/10 (or 11/12). Lit: audio return signal output from the computer Unlit: LINE input jacks NOTE Connect the to a computer as an audio interface. (→ Connecting to a computer) ⑬...
  • Page 11 CHANNEL STRIP section ② HIGH knob ① EQ OFF button ⑦ SEND EFX knob ③ MID FREQ knob ⑧ PAN knob ④ MID knob ⑤ LOW knob ⑥ LOW CUT button ① EQ OFF button When this button is lit, HIGH, MID, LOW and LOW CUT are bypassed. ②...
  • Page 12 ⑧ PAN knob Use to adjust the channel position in the stereo field. On a stereo input channel, this adjusts the volume balance between the left and right channels.

  • Page 13: Fader Mode Section

    FADER MODE section ① MASTER and A–E buttons ① MASTER and A–E buttons These switch between the mixes output from the MASTER OUT and MONITOR OUT A–E jacks. MASTER button: Use to show and adjust the mix output from the MASTER OUT jacks. A–E buttons: Use to show and adjust the mixes output from the MONITOR OUT A–E jacks.
  • Page 14 SCENE section ① ON button ② RESET button ③ 1–9 buttons ④ RECALL button ⑤ SAVE button ① ON button Press this button, lighting it, to use the scene function ② RESET button Press this button to reset the current mixer settings to the factory defaults. ③...
  • Page 15 Send effect (SEND EFX) section ① Effect type list ② TYPE knob ③ Parameters 1 and 2 ④ EFX RETURN MUTE button ⑤ EFX RETURN level meters ⑥ EFX RETURN fader ① Effect type list This is the list of the built-in effects. The name of the currently selected effect lights.
  • Page 16 ⑤ EFX RETURN level meters These show the levels of the signals sent from the built-in effect to the master bus after adjustment by the EFX RETURN fader. Their range is from −48 dB to 0 dB. ⑥ EFX RETURN fader This adjusts the levels of the signals sent from the built-in effect to the master bus in a range from −∞...

  • Page 17: Output Section

    Output section ① MASTER OUT jacks ② MONITOR OUT A jacks ③ MONITOR OUT A PHONES jack ④ MONITOR OUT B–E PHONES jacks ⑤ MONITOR OUT A knob ⑥ MONITOR OUT A PHONES knob ⑧ MONITOR OUT A switch ⑦ MONITOR OUT B–E knobs ⑨...
  • Page 18 ④ MONITOR OUT B–E PHONES jacks These headphone jacks output signals after volume adjustments by the MONITOR OUT B–E PHONES knobs. NOTE The MONITOR OUT B–E jacks can be set to output the same signals as the MASTER OUT jacks or the signals set separately in the fader mode section.
  • Page 19 ⑬ Master fader This adjusts the signal levels output from the MASTER OUT jacks in a range from −∞ to +10 dB. NOTE If the actual channel fader position differs from the channel fader position recalled using the scene func- tion, for example, the level meters will show the recalled fader position.

  • Page 20: Recorder Section

    RECORDER section ① Slate mic ② SLATE button/indicator ③ Display ④ MENU button ⑤ Selection encoder ⑥ TEMPO button/indicator ⑦ STOP button ⑧  P LAY/PAUSE button/indicator ⑨ REC button/indicator ⑩ REW button ⑫ OVER DUB button/indicator ⑪ FF button ①...
  • Page 21 During recording and playback, the indicator blinks at a tempo of 40.0–250.0 bpm. Changing metronome settings for metronome settings. ⑦ STOP button This stops the recorder. ⑧ PLAY/PAUSE button/indicator This starts and pauses recorder playback. The indicator shows the playback status as follows. Status Explanation Lit green...

  • Page 22: Rear Panel

    Rear panel ① POWER switch This turns the on and off. Switch to — to turn the power on. Switch to to turn the power off. When the POWER switch setting is changed to OFF , the current mixer settings are automatically saved in the unit and in the settings file in the project folder on the SD card.
  • Page 23 . (→ Testing SD card performance) ⑨ CONTROL IN jack A footswitch (ZOOM FS01) can be connected here. The footswitch can be assigned to one function: starting/stopping recorder playback, manually punching in/out or muting/unmuting the built-in effect. (→ Setting the...
  • Page 24 Equipment connection example Live PA system Drums Electric guitar Keyboard Vocal/chorus mics Drum mics ×3 ×2 Electric acoustic guitar Powered speakers Performer (main) headphones×4 Bass Headphones Portable audio player...
  • Page 25 ポータブルオーディオ プレイヤー Computer Footswitch (for recording and playback)
  • Page 26 Display overview Home Screen ⑤ ⑥ ⑦ ⑧ ⑫ ① ② ⑬ ⑭ ③ ④ ⑨ ⑩ ⑪ Item Explanation This shows the project name. ① Project name "<" appears if there is another project before this one in the folder. ">"...
  • Page 27 Turning the unit on/off Turning the unit on POWER DC IN 12V switch AC adapter connector GAIN knob Input/Output jacks Master fader Channel faders EFX RETURN fader Confirm that the output devices connected to the are turned off.
  • Page 28 Confirm that is set to OFF . Plug the AD-19 adapter designed for this unit into an outlet. Set all knobs and faders to their minimum values. Connect instruments, mics, speakers and other equipment. HINT Equipment connection example (→ Equipment connection example) to ON.

  • Page 29: Turning The Power Off

    Turning the power off Minimize the volume of devices connected to the Turn off the power of output devices connected to the to OFF . The following screens appear and the power turns off. NOTE When the power is turned off, the current mixer settings are saved in the project on the SD card. If they cannot be saved to the SD card, they will be saved in the unit.
  • Page 30 Using the MENU screen Recorder function settings, for example are made for the using the MENU screen. This is an expla- nation of the basic menu operations. Open the menu: Press This opens the MENU screen.   Select menu items and parameters: Turn This moves the cursor.
  • Page 31 Mixer Outputting input sounds from output devices Outputting sound from speakers GAIN knob MUTE MUTE button button Channel faders Master fader to adjust the input signals while inputting sound from instruments and mics. NOTE Set them so that SIG indicators do not light red. SIG indicator Turn off (unlit) for the MASTER and the channels with sound you want to output.
  • Page 32 Outputting sound from headphones MONITOR OUT A PHONES jack MONITOR OUT A PHONES knob MONITOR OUT A switch Connect headphones to the MONITOR OUT PHONES A jack. to MASTER ( to adjust the volume.
  • Page 33 Adjusting the tone and panning CHANNEL STRIP section button Press to light it for the channel for which you want to adjust tone and panning. Use the knobs and buttons in the channel strip section to adjust the tone and panning. Adjusting the tone: Adjusting the panning: NOTE...
  • Page 34 Using the built-in effects has 16 types of send effects SEND EFX knob TYPE knob Parameters button 1 and 2 EFX RETURN MUTE button EFX RETURN fader Turn to select the effect type, and press to confirm. Lit: Effect selected Press to turn it off, unmuting the EFX RETURN.
  • Page 35 Using scene functions The scene function can be used to save up to nine sets of current mixer settings as scenes and to recall these saved settings at any time. ON button RESET button 1–9 buttons RECALL button SAVE button  ...
  • Page 36 NOTE • Nine scenes are saved in the unit. (→ SCENE section) • If a button that already has a scene saved is selected, that scene will be overwritten. • The following items are saved with scenes. - Fader positions (each channel, SEND EFX, MASTER) - MUTE ON/OFF (each channel, SEND EFX, MASTER) - EQ OFF - LOW CUT ON/OFF...
  • Page 37 Resetting mixer settings Click so that it lights. This enables the scene function. Press Buttons – will blink if they have saved scenes and be unlit if they do not. Press again if you do not want to reset the settings. Press The current mixer settings are reset to their factory defaults.
  • Page 38 Setting signals output from MONITOR OUT A–E The MONITOR OUT A–E jacks can be set to output the same mix as the MASTER OUT or different mixes. MONITOR OUT switches MASTER button Channel faders A–E buttons   Adjusting the MONITOR OUT A–E mixes Press an –...
  • Page 39 Selecting MONITOR OUT A–E output signals Use the MONITOR OUT switch for an output to select its output signal. To output a mix set using MONITOR OUT A–E: Set MONITOR OUT switch to A–E ( To output the same mix as the MASTER: Set MONITOR OUT switch to MASTER ( Output different mixes for MONITOR OUT A–E Output same mix as MASTER...
  • Page 40 Recording and playback Preparing to record Inserting SD cards POWER switch SD card slot to OFF . Open the SD card slot cover, and insert an SD card all the way into the slot. To remove an SD card, push it further into the slot and then pull it out. NOTE •...
  • Page 41 Creating new projects manages recording and playback data in units called projects. Select MENU > PROJECT > NEW PROJECT. to select YES, and press NOTE • See Projects for information about projects. • When a new project is created, it will start with the current mixer settings. HINT When the power is turned on, it will automatically load the last used project.
  • Page 42 Recording and playing tracks has recorder functions that enable simultaneous recording of up to 14 tracks and simultane- ous playback of up to 12 tracks. The signals from every channel after they pass through their compressors and from the master fader out- put can be recorded.
  • Page 43 Press to stop recording. NOTE • The signals for each channel are recorded after passing through their compressors. (→ Mixer block diagram) • Punching in/out (→ Redoing parts of recordings (punching in/out)) • Starting recording automatically (→ Recording automatically) • Capturing audio before recording starts (→ Capturing audio before recording starts) •...
  • Page 44 Playing recordings REC/PLAY button PLAY/PAUSE button STOP button Press for the channels you want to play, lighting these buttons green. Press to start playback. PLAY/PAUSE indicator Lit: Playing back Blinking: Paused Press to stop playback. NOTE • Playback signals are added before the equalizer section, so their EQ and panning settings can be ad- justed during playback.
  • Page 45 Adding marks Adding marks at desired positions with the recorder makes moving to those positions easy. Selection encoder >>| button |<< button Adding marks during recording and playback Press during recording/playback.   Moving in mark order Use these buttons to move in mark order. Move to next mark: Press Move to previous mark: Press NOTE...
  • Page 46 "Punching out" is switching track status from record- ing to playback. With the , punching in/out can be conducted using buttons on its top or a footswitch (ZOOM FS01). REC/PLAY button Selection encod-...
  • Page 47 Mixing down tracks A final stereo mix can be recorded to the master track. Signals are sent to the master track after passing through the master fader.   Recording to the master track Click so that it lights. NOTE Adjust the volume and panning of each recorded track before starting. Press MASTER repeatedly until it lights red.
  • Page 48 Playing the master track Press MASTER repeatedly until it lights green. Press NOTE • To stop master track playback, press MASTER repeatedly until it becomes unlit. • When the master track is playing, other tracks will not be played back. •...
  • Page 49 Recording automatically Recording can be started and stopped automatically in response to the level after passing through the master fader. Selection encod- MENU button REC button Master fader Select MENU > REC/PLAY > AUTO REC > ON / OFF . to select ON, and press NOTE Making additional settings for automatic recording (→...
  • Page 50 The MASTER level meters will blink at the level that will cause automatic recording to start. HINT Recording starts automatically when the input exceeds the set level (shown by the MASTER level me- ters). You can also set recording to stop automatically when the input goes below a set level. (→ Setting auto- matic stopping)
  • Page 51 Capturing audio before recording starts The input signal can be captured for up to 2 seconds before recording is started (pre-recording). Setting this in advance can be useful when a performance starts suddenly, for example. Select MENU > REC/PLAY > PRE REC. to select ON, and press NOTE •...
  • Page 52 Selecting the folder where projects are saved Choose one of ten folders as the folder where recorded projects will be saved. Select MENU > FOLDER. to select the folder where you want to save, and press NOTE • Up to 1000 projects can be saved in a single folder. •...
  • Page 53 Selecting projects for playback Projects saved on SD cards can be loaded. Select MENU > PROJECT > SELECT. to select the project you want to load, and press NOTE • Projects in different folders cannot be selected. To select a project that is saved in a different folder, select that folder first.
  • Page 54 Using the metronome metronome has adjustable volume, a selectable sound, and a precount function. The volume can also be adjusted separately for each output. Metronome settings are saved separately with each project.   Enabling the metronome Select MENU > METRONOME > CLICK. to select when the metronome makes sound, and press Setting value Explanation...
  • Page 55 Changing metronome settings MENU button Selection encoder TEMPO button   Changing the metronome tempo Press The current tempo is shown on the display. Do one of the following to change the tempo. • Turn • Press repeatedly at the tempo you want to set...
  • Page 56 Setting the precount A metronome count can be sounded before starting recording/playback. Select MENU > METRONOME > PRE COUNT. to select the precount behavior, and press Setting value Explanation No precount will sound. Before recording/playback, the precount will sound for the set number of times 1–8 (1–8).
  • Page 57 Changing the metronome sound Select MENU > METRONOME > SOUND. to select the sound, and press HINT The options are BELL, CLICK, STICK, COWBELL and HI-Q. NOTE Press to play the metronome and check the sound.   Changing the metronome pattern Select MENU >...
  • Page 58 Changing the metronome volume The metronome volume can be adjusted separately for the MASTER OUT and each of the MONITOR OUT A–E outputs. Select MENU > METRONOME > LEVEL > MASTER or A-E. Turn to adjust the volume, and press HINT Set from 0 to 100.
  • Page 59 Using the slate mic has a built-in slate mic that allows comments to be recorded. SLATE button Selection encoder MENU button   Recording with the slate mic Start recording. (→ Recording) Press to enable the slate mic. While is being pressed, the indicator lights and the slate mic is enabled. NOTE •...
  • Page 60 Changing slate mic settings Changing the slate mic volume Select MENU > SLATE > LEVEL. Turn to adjust the volume, and press   Changing the slate mic routing Select MENU > SLATE > ROUTING. Turn to select a channel for routing. Press confirm.
  • Page 61 Projects manages recording and playback data in units called projects. The following data is saved in projects. • Audio data • Mixer settings • Send return effect settings • Mark information • Metronome settings   Changing project names The name of the currently loaded project can be changed. MENU button Selection encoder...
  • Page 62 NOTE • The default project name is the date and time of creation. For example, if a project was created at 6:48:20 p.m. on March 14, 2017, the project name would be "170314_184820" (YYMMDD-HHMMSS). • Project names have 13 characters. •...
  • Page 63 Deleting projects Projects inside the selected folder can be deleted. Select MENU > PROJECT > DELETE to select the project you want to delete, and press to select YES, and press NOTE Projects cannot be deleted if protection is ON.
  • Page 64 Protecting projects The currently loaded project can be write-protected, preventing the project from being saved, deleted or having its content changed. Select MENU > PROJECT > PROJECT PROTECT. to select ON, and press NOTE • Projects cannot be used for recording if protection is ON. Turn protection OFF to record. •...
  • Page 65 Checking project information Various information about the currently loaded projects can be viewed. Select MENU > PROJECT. to select INFORMATION, and press Items shown Explanation NAME Project name PATH Location where project saved DATE Project creation date and time (YYYY/MM/DD HH:MM:SS) FORMAT Recording format SIZE...
  • Page 66 Saving projects to USB flash drives A USB flash drive can be connected directly to the , and the currently loaded project can be saved to it. MODE switch POWER USB HOST port switch MENU button Selection encoder to OFF . Connect the USB flash drive to the USB HOST port.
  • Page 67 NOTE • The default project name is the date and time of creation. For example, if a project was created at 6:48:20 p.m. on March 14, 2017, the project name would be "170314_184820" (YYMMDD-HHMMSS). • Project names have 13 characters. •...
  • Page 68 Importing projects from USB flash drives Projects saved on USB flash drives can be copied to SD cards. NOTE Use a computer to create "ZOOM_L-12" and "PROJECT" folders on the USB flash drive in advance (→ Saving projects to USB flash drives).
  • Page 69 NOTE • The default project name is the date and time of creation. For example, if a project was created at 6:48:20 p.m. on March 14, 2017, the project name would be "170314_184820" (YYMMDD-HHMMSS). • Project names have 13 characters. •...
  • Page 70 Managing marks A list of marks in the currently loaded project can be opened, allowing them to be checked, played and deleted. MENU button Selection encoder REC button Select MENU > PROJECT > MARK LIST. A list of marks appears. Indicates added mark E mark indicates time when skipping occurred...
  • Page 71 Audio files creates the following types of audio files according to the recording channel. • Channels 1–8: mono WAV files • Channels 9/10, 11/12 and MASTER: stereo WAV files The file format depends on the sampling rate (→ Changing the sampling rate) and quantization bit depth (→...
  • Page 72 to select the file you want to delete, and press NOTE Press to select/deselect all files. Press to select YES, and press NOTE Audio files cannot be deleted if protection is ON for their projects.
  • Page 73 Exporting audio files to USB flash drives The desired audio files can be exported from projects to USB flash drives. Exported audio files will be saved on the USB flash drive in the "AUDIO" subfolder of the "ZOOM_L-12" folder. MENU button Selection encoder REC button...
  • Page 74 Edit the name. Move cursor or change character: Turn Select character to change/confirm change: Press NOTE • Audio file names have 24 characters. • The following characters can be used in project and file names.   (space) ! # $ % & ' ( ) + , - 0 1 2 3 4 5 6 7 8 9 ; = @   A B C D E F G H I J K L M N O P Q R S T U V W X Y Z ^ _ `   a b c d e f g h i j k l m n o p q r s t u v w x y z {˜...
  • Page 75 Importing audio files from USB flash drives The desired audio files can be imported from USB flash drives to existing projects and assigned to chan- nels. NOTE Use a computer to create "ZOOM_L-12" and "AUDIO" folders on the USB flash drive in advance (→ Sav- ing projects to USB flash drives).
  • Page 76 NOTE • Mono WAV files can be assigned to mono channels and stereo WAV files can be assigned to stereo channels. • Files cannot be imported to channels that already have files assigned to them. • When files are imported, their file names will automatically be changed according to their import chan- nels.
  • Page 77 Download the "ZOOM L-12 Driver" from http://www.zoom.co.jp to the computer. NOTE • You can download the latest "ZOOM L-12 Driver" from the above website. • Download the driver for the operating system that you are using. Launch the installer and install the driver.
  • Page 78 Connecting to a computer MODE switch POWER USB DEVICE port switch Use a USB cable to connect the USB DEVICE port to the computer. Set the switch to AUDIO INTERFACE. to ON. NOTE • Set to ON when connected to an iOS device. •...
  • Page 79 Inputting return signals from the computer to a stereo channel USB buttons Turn the button channel ON for the stereo channel to use for input. The signal controlled by the channel is switched to the USB audio channel signal (before EQ).
  • Page 80 Using card reader functions When connected to a computer, data on the SD card can be checked and copied. USB DEVICE port POWER switch MODE switch Use a USB cable to connect the USB DEVICE port to the computer. to CARD READER. to ON.
  • Page 81 Recording and playback settings Changing the recording format The recording format can be changed in consideration of audio quality and file size. Open MENU > REC / PLAY > REC FORMAT. to change the format, and press HINT When overwriting a recording, recording will occur at the bit depth of the original file. For example, a file recorded at 16-bit cannot be overwritten with 24-bit recording.
  • Page 82 Changing automatic recording settings The conditions for automatically starting and stopping recording can be set. Setting the automatic recording start level Open MENU > REC / PLAY > AUTO REC > REC START LEVEL. to change the start level, and press Recording will start automatically when the level of the MASTER fader output signal exceeds the set level.
  • Page 83 Setting automatic stopping Open MENU > REC / PLAY > AUTO REC > AUTO STOP . to select the automatic stop time, and press HINT This can be set to OFF or between 0 and 5 seconds. Open MENU > REC / PLAY > AUTO REC > REC STOP LEVEL. to set the stop level, and press Recording will stop automatically when the level of the MASTER fader output stays below the set level for the amount of time set in step 2.
  • Page 84 Showing recording levels on level meters The signals of levels recorded to the recorder or recorded to a computer when using the audio interface function can be shown on the level meters of each channel. Open MENU > REC / PLAY > REC LEVEL METER. to select ON, and press If recorded signal levels are higher than post fader levels, the recorded signal levels are shown lit dimly on the level meters.
  • Page 85 Changing the playback mode Open MENU > REC / PLAY > PLAY MODE. to select the play mode, and press Setting value Explanation Only the selected project plays back. Playback continues even when the end of a file is reached. PLAY ONE Only the selected project plays back.
  • Page 86 SD card settings Checking the open space on SD cards Open MENU > SD CARD > REMAIN. This shows the open space on the card. NOTE shows less than the actual open space in order to maintain space to prevent SD card writing performance from degrading.
  • Page 87 Testing SD card performance You can test whether SD cards can be used with the A basic test can be done quickly, while a full test examines the entire SD card. Conducting a quick test Open MENU > SD CARD > PERFORMANCE TEST. to select QUICK, and press to select YES, and press The card performance test will start.
  • Page 88 Conducting a full test Open MENU > SD CARD > PERFORMANCE TEST. to select FULL TEST, and press The amount of time required will be shown. to select YES, and press The result of the test will be shown when it completes. If the access rate MAX reaches 100%, the card will fail (NG).
  • Page 89 Various settings Setting the date and time Display MENU button REC button Select MENU > SYSTEM > DATE/TIME. Set the date and time. Move cursor or change value: Turn Select item/confirm change: Press Press The first time you turn the power on after purchase, you must set the date/ time.
  • Page 90 Setting the footswitch If a footswitch (ZOOM FS01) is connected to the CONTROL IN jack, you can start/stop recorder playback punch in/out or mute/unmute the send effect by foot. Open MENU > SYSTEM > CONTROL IN. to change the value.
  • Page 91 Changing the sampling rate The file format used when recording to the recorder depends on this setting. Before changing the sampling rate, must be set to OFF . Confirm that is set to off. Change the position. HINT The options are 44.1 kHz, 48 kHz and 96 kHz. NOTE •...
  • Page 92 Disabling the automatic power saving function The power will automatically turn off if the is unused for 10 hours. If you want the power to stay on always, disable the automatic power saving function While pressing and holding , set to ON.
  • Page 93 Restoring settings to factory defaults You can restore an to its factory default settings. Open MENU > SYSTEM > FACTORY RESET. to select YES, and press NOTE This does not reset mixer settings. (→ Resetting mixer settings)   Checking the firmware versions firmware versions can be viewed.
  • Page 94 Copy the file for updating the firmware to the root directory on an SD card. NOTE An update file for the latest version can be downloaded from the ZOOM website (www.zoom.co.jp). Insert the SD card into the While pressing and holding , set to ON.

  • Page 95: Troubleshooting

    Troubleshooting General There is no sound or output is very quiet • Check the speaker connections and volume settings on the speakers. • Check instrument and mic connections • When using a condenser mic, turn • Confirm that the SIG indicators are lit green. •...
  • Page 96 • Confirm that the is connected to the computer correctly. • Confirm that the Sound setting of the computer you are using is set to "ZOOM L-12". • Confirm that is set for input and output in the software that you are using.

  • Page 97: Specifications

    Specifications Number of input Inputs Mono (MIC/LINE) and output Stereo (LINE) channels Outputs MASTER OUT MONITOR OUT Inputs Mono Type XLR/TRS combo jacks (XLR: 2 HOT, TRS: TIP HOT) (MIC/LINE) Input gain PAD OFF: +16 – +60 dB PAD ON: −10 – +34 dB Hi-Z ON: +6 –...
  • Page 98 Send effects specifications tempo Type Explanation Parameters 1 Parameters 2 synchronization Hall 1 Hall reverb with a bright tone TONE DECAY Hall 2 Hall reverb with a long time for early reflections TONE DECAY Room 1 Room reverb with coarse reflections TONE DECAY Room 2...
  • Page 99 Mixer block diagram...
  • Page 100 ZOOM CORPORATION 4-4-3 Kanda-surugadai, Chiyoda-ku, Tokyo 101-0062 Japan http://www.zoom.co.jp Z2I-3047-02...

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