Toa EV-20R Instruction Manual
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Toa EV-20R Instruction Manual

Toa EV-20R Instruction Manual

Sound repeater
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SOUND REPEATER
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Please follow the instructions in this manual to obtain the optimum results from this unit.
We also recommend that you keep this manual handy for future reference.
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INSTRUCTION MANUAL
EV-20R

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Summary of Contents for Toa EV-20R

  • Page 1 INSTRUCTION MANUAL SOUND REPEATER EV-20R I N P L I N M I C N I T / S T V - 2 Please follow the instructions in this manual to obtain the optimum results from this unit. We also recommend that you keep this manual handy for future reference.

  • Page 2: Table Of Contents

    TABLE OF CONTENTS 1. SAFETY PRECAUTIONS ................3 2. GENERAL DESCRIPTION ................4 3. FEATURES ......................4 4. HANDLING PRECAUTIONS ................4 5. NOMENCLATURE AND FUNCTIONS Front ......................... 5 Rear .......................... 6 6. OPERATION 6.1. Recording (REC) ....................7 6.2. Confirming the Message (MONITOR) ............... 8 6.3.

  • Page 3: Safety Precautions

    · If you detect smoke or a strange smell coming equivalent. from the unit. As for the usable adapter, consult your TOA dealer. · If water or any metallic object gets into the unit Note that the use of an adapter other than specified ·...

  • Page 4: General Description

    2. GENERAL DESCRIPTION The EV-20R Sound Repeater is used to record and play back sounds produced from a microphone, CD player or other sources. Its particularly ideal applications include repeated broadcasts of the same message in schools, department stores and factories. Flash memory is used as a recording medium, and up to 4 different messages can be recorded and played back.

  • Page 5: Nomenclature And Functions Front

    (6) or Speaker Output terminal (20). Continuously lights or flashes during USB communications. 8. Mode Selector Switch [MODE] Selects the operation mode of the EV-20R. 3. USB Terminal • DEL: Deletes a message. (Refer to p. 8.) Connects to a PC or a USB hub using the •...

  • Page 6: Rear

    Connects to the optional AD-246 AC adapter or Connects to external music playback equipment its equivalent. for broadcast. When the EV-20R's message broadcast is started during external equipment Tip: When this terminal and the DC Power Input broadcast, the message broadcast takes terminal (14) are simultaneously used, the precedence.

  • Page 7: Operation

    • Recording cannot be performed from the rear-mounted Line Input terminal. • Sample chime tones contained in the supplied CD-ROM can be transferred to the EV-20R for use. It is also possible to back up the messages using the data transfer software program contained in the supplied CD-...

  • Page 8: Confirming The Message (Monitor)

    6.2. Confirming the Message (MONITOR) The contents of recorded messages can be monitored and confirmed. Messages being monitored can only be heard through the Headphone terminal and the Speaker Output terminal, and are not directed through the Line Output terminal. However, message output from the Speaker Output terminal is disabled if a headphone is connected.

  • Page 9: Using The Input And Line Input Terminals To Broadcast

    6.6. Using the Input and Line Input Terminals to Broadcast Voice or audio from the microphone or CD player connected to the Input terminal (INPUT/REC IN) or the Line Input terminal (LINE IN) can also be broadcast, except during the monitor playback of messages 1 – 4 (MONITOR mode) and during playback (PLAY mode).

  • Page 10: Installation

    7. INSTALLATION 7.1. Mounting a Single Unit in an Equipment Rack Use the optional MB-WT3 Mounting Bracket to mount a single EV-20R unit. Bracket B * Parts making up the MB-WT3 Bracket EV-20R IN P C IN LI N M IC...

  • Page 11: Connections

    8. CONNECTIONS 8.1. Connection Example [EV-20R Front] INPUT/ HEAD- PHONES/ MODE START/STOP REC IN PHONES SPEAKER POWER LEVEL LINE MONITOR PLAY LOCK Headphone* USB cable (supplied with unit) * No signal is output from the Speaker Output terminal if the headphone is connected.

  • Page 12: Connections To The Rear-Mounted Connectors

    8.2. Connections to the Rear-Mounted Connectors Notes • Use the appropriate type of screwdriver for the connector wiring screws. • When using stranded or shielded cable, do not solder the stripped and exposed ends. When the cable is clamped, the solder becomes crushed, increasing contact resistance and possibly resulting in an extreme rise in cable joint temperature.

  • Page 13: Broadcast Delay Time And Busy Output On/Off Settings

    8.2.5. Line input and output terminal connections Both the Line Input and Output terminals can be converted into balanced types by using optional IT-450 Balanced Transformers. For details, consult with your TOA representative. [Line Input Terminal] Unbalanced type (as shipped from factory)

  • Page 14: Playback Interval Settings

    10. PLAYBACK INTERVAL SETTINGS The time interval between repeated message announcements can be set with the Playback Interval Setting switch on the rear panel. The repeat interval represents the time between the end of the previous message and the start of the next message.

  • Page 15: Playback Operations And Control I/O Timing

    11. PLAYBACK OPERATIONS AND CONTROL I/O TIMING 11.1. Stopping Broadcasts during Manual Playback or Switching Message Playback Activation Stop Activation Start/Stop Key 1 Activation Start/Stop Key 3 Switching to Message 1 Delay Delay Stop time time Message 1 playback Message 3 playback Message 1 playback Output Busy output...

  • Page 16: Making Repeat Broadcasts

    11.2. Making Repeat Broadcasts Activation Stop Start/Stop key 1 (Start and Stop Inputs) When the busy output Repeat interval Delay during repeat intervals time Stop is set to "Make" (ON) Silence Message 1 playback Message 1 playback Output Busy output Broadcasts using the Input and When the busy output Line Input terminals can be made.

  • Page 17: Playing Back Messages Through External Activation

    11.3. Playing Back Messages through External Activation 11.3.1. Message activation 200 ms or longer If continuously closed Activation input 1 Busy output Delay Stop time Message 1 playback Message 1 playback Output 200 ms or longer Stop input [Operation] • Closing the Start Input terminal closes the Busy Output terminal and plays back the message after the set delay time elapses.

  • Page 18: Using The Supplied Software

    12. USING THE SUPPLIED SOFTWARE The EV-20R is equipped with a USB interface jack. The following operations can be carried out by connecting a PC using the supplied USB cable: • Uploading the chime tone contained in the supplied CD-ROM.

  • Page 19: Notes On Use Of Software

    12.3. Notes on Use of Software When the EV-20R is in the following operating states, do not switch off its power nor insert or remove the USB cable. PC operation may stop. • While the driver software program is being installed.
  • Page 20 After another few seconds, the following screen is displayed. Step 6. Select the source to copy. Pull down "Copy files from:" to select "\Driver" in the CD drive. Note: The drive letter may differ depending on the type of PC to be used. Step 7.
  • Page 21 USB cable is not Unplug the USB cable, then reinsert it. correctly connected. When connecting the EV-20R to the PC, if the Step 5 screen for the USB driver PC does not initiate USB operation. installation is not displayed, the PC may be set to disable USB. Check PC settings with the following procedure: Step 1.

  • Page 22: Troubleshooting

    Step 5. Click the Next button according to the instructions on the screen until the installation is completed. The Data Transfer Program "EV20man.exe" file has been installed in the designated folder (c:\ProgramFiles\EV-20PC\ by default). Step 6. Click the Close button. The screen disappears, completing the software program installation.

  • Page 23: Specifications

    14. SPECIFICATIONS Power Source Supplied from an external 24 V DC / 400 mA power supply or from an optional AD-246 AC adapter or its equivalent Power Consumption 10 W (rated output) Wave Format 44.1 kHz sampling frequency, 16-bit PCM (monaural) Frequency Response 20 –...

  • Page 24: Accessories

    • Optional products Rack mounting bracket: MB-WT3 (for rack mounting one EV-20R unit) MB-WT4 (for rack mounting two EV-20R units) AC adapter: AD-246 Note: When you need the AC adapter, be sure to consult your TOA dealer. URL: http://www.toa.jp/ 133-12-831-2C...

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