Summary of Contents for NLS DS1
- Page 1 National Library Service for the Blind and Physically Handicapped The Library of Congress Digital Talking-Book Player Models DS1 and DA1 Library Guide Version 1.00, February 2010...
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Page 2: Table Of Contents
This publication has been prepared by Engineering Section, Materials Development Division National Library Service for the Blind and Physically Handicapped, Library of Congress Comments and corrections should be directed to Head, Engineering Section NLS/BPH Library of Congress 1291 Taylor Street NW Washington DC 20542 NLSengineering@loc.gov... -
Page 3: General Information
30 minutes of inactivity. There are two models of the digital-talking book player, the Standard Model (DS1) and the Advanced Model (DA1). Features Common to Both Models The Rewind, Play/Stop, and Fast Forward controls are centered and located close to the front edge of the player. - Page 4 General Information Section 1 The square, green Play/Stop button initiates the playing of a book or stops a book or message already playing. Holding this button down on the Standard Player enters and exits the built-in User Guide. The white, triangular Rewind and Fast Forward buttons to the left and right of the Play/Stop button move the reading position through the book, further in time and book structure the longer the button is held down.
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Page 5: Advanced Features
General Information Section 1 The cartridge used with the player is about the size of a compact cassette, but with a more complex shape. The end of the cartridge with the round finger hole is beveled, so that when that end of the cartridge is pressed down on a flat surface in front of the player, the other end of the cartridge, with the USB Connector, tilts up and can slide smoothly into the player. - Page 6 Due to the uncertainty of the capacity measurement the player underestimates the actual capacity. Most but not all commercially available USB flash drives will function correctly as a DTB storage medium. NLS maintains a list of known compatible and incompatible drives.
- Page 7 General Information Section 1 It is estimated that the battery pack will have a service life in excess of 600 charge cycles. Under moderate battery usage (4 hours per day for 5 days per week), the battery life should exceed 4 years. At the end of its service life the capacity of the battery pack will be 75 percent of its initial value.
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Page 8: Abbreviations, Definitions, And Acronyms
PDTB Protected Digital Talking Book (Using DAISY PDTB2) During the warranty period: the manufacturer; post warranty, the contract repair Service Center entity specified by NLS Universal Serial Bus Volts Alternating Current Volts Direct Current Waveform Audio Format (audio file format variant of RIFF bitstream format) -
Page 9: Usb Flash Cartridge
Cartridges are manufactured in several sizes. The nominal capacities are 1 GB, 2GB and 4GB. About 99.5 percent of NLS DTB titles are less than 1GB in size. Cartridges accommodate a print and braille label in a slightly recessed area to protect the embossed braille. This label contains two 30-point print lines, four large-print (14-point) lines, and five rows of book information in braille. - Page 10 General Information Section 1 Digital Talking-Book Cartridge Specifications Cartridge size 57 mm (2.25 in.) width; 95 mm (3.75 in.) depth; 10 mm (0.39 in.) height Cartridge weight 37 g (1.3 oz) Technology USB high speed mass storage device Capacity (unformatted) 1 GB, 2 GB, 4 GB File system FAT12, FAT16, FAT32...
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Page 11: Digital Talking Book
The content of NLS digital talking books contains only human narrated speech. In the following description of the DTB, only those parts of the standard relevant to NLS-produced books are described. - Page 12 A Façade Book will never be heard when playing a book on an NLS player, but it may be played on a third party commercial player that has not been authorized to play NLS books. The Façade Book merely informs users that they are not authorized to read the book.
- Page 13 Audio “label” clips SMIL element play when user within a SMIL file. navigates (e.g., “Chapter One”). Façade Book Audio File pdtb_protected.smil db54321hdgs.3gp protected.mp3 db54321.ncx db54321.opf Figure 1-6. Representation of a Typical NLS Digital Talking Book February 2010 Digital Talking-Book Player Library Guide...
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Page 14: User Operation And Controls
User Operation and Controls Section 2 User Operation and Controls The player responds to user actions by a combination of two processes. The first moves or stops moving the reading position (referred to as navigation) and the second initiates or alters the characteristics (volume, tone, or speed) of the audio rendered by the player. - Page 15 User Operation and Controls Section 2 Play/Stop Primary Pressing the Play/Stop button while the player is stopped starts or resumes playback of the book. Playback resumes from the reading position noted by the player for the current book when playback or navigation last ended. Pressing the Play/Stop button while the player is playing a book or message stops playback and silences the player.
- Page 16 User Operation and Controls Section 2 Rewind Rewind and Fast Forward are the principal means of book navigation for the Standard Model player. The rewind and fast forward behavior of the Standard and Advanced Models are the same; however, users of the Advanced Model will most likely use its other controls to perform most navigation.
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Page 17: Fast Forward
User Operation and Controls Section 2 Fast Forward Pressing and releasing the Fast Forward (FF) button moves the reading position forward 5 seconds. Pressing and holding the Fast Forward button moves the reading position forward at an accelerating rate. When a chapter boundary is crossed, a beep is heard. Releasing the Fast Forward (FF) button immediately following a beep will snap the reading position to the beginning of the chapter. - Page 18 User Operation and Controls Section 2 Power Primary Pressing the Power button turns the player on and off when it is being powered from the battery. When the player is powered by AC, the Power button enables and disables the keypad and USB ports, but part of the circuit is always powered (battery monitoring/charging).
- Page 19 User Operation and Controls Section 2 Tone Pressing the Tone Up or Tone Down buttons adjusts the tonal quality of the player audio. The treble (high frequencies) can be boosted by up to 10 dB with the tone up control, and the bass (low frequencies) can be accentuated by the same amount with the tone down control (compared to the mid setting, which is flat).
- Page 20 The SMIL file weaves together all the components of the book (audio fragments for NLS books) into a continuous “presentation.” Book producers can mark significant points as SMIL segments without explicitly making them navigation points such as chapters or pages.
- Page 21 1. The reading position moves to the beginning of the previous part, chapter, section, poem, etc. 2. The book will play continuously from the new Playing reading position. NLS books will have the name of the part, chapter, section, poem, etc. recorded at Part, chapter, this point.
- Page 22 1. The reading position moves to the beginning of the next part, chapter, section, poem, etc. 2. The book will play continuously from the new Playing reading position. NLS books will have the name of the part, chapter, section, poem, etc. recorded at Part, chapter, this point.
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Page 23: Playing Cartridges With Multiple Books
Playing Cartridges with Multiple Books Although NLS currently only produces cartridges containing a single book, the player has the capability to play cartridges containing multiple books. The files comprising multiple NLS Books (ANSI/NISO Z39.86:2002) may all be located in a single directory on the cartridge or may be in separate directories for each book;... -
Page 24: Player Controls Using Assistive Technology Devices
User Operation and Controls Section 2 Player Controls Using Assistive Technology Devices The player has a second USB host port that may be used to control the player remotely. Assistive Technology (AT) devices acting as a keyboard or a gamepad can be used to operate the player like the integral keypad. The AT device can be configured to map its keys to each of the player’s own keys (with the exception of the Power button). - Page 25 User Operation and Controls Section 2 2.3.2 AT Device Learning Mode The player can be instructed as to which controls on the AT device are to operate particular player functions. This assignment is performed through a learning process. Entering AT Device Learning Mode Press and hold for 5 Connect the AT device to the USB port on the side of the player.
- Page 26 User Operation and Controls Section 2 2.3.3 USB Joystick Patrons with physical disabilities may find it simpler to move a joystick than to press a button. The two-axis (x,y) USB joystick of a gamepad can be used to control the player. Movements of the joystick to the top-left, top-center, top-right, left, right, bottom-left, bottom-center, and bottom-right positions can be assigned to player controls using the learning mode.
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Page 27: Special Features For Libraries And Technicians
Special Features for Librarians and Technicians Section 3 Special Features for Libraries and Technicians This section describes the different levels of error reporting and diagnostics available to personnel involved in lending and servicing players. Four diagnostic levels are available: • Library level is intended for use by librarians, technicians and service center personnel. - Page 28 Special Features for Librarians and Technicians Section 3 Resetting to Factory Default User Settings Resetting the player to factory default user settings • Erases the saved current position of the book’s history • Erases all bookmarks • Restores the default values for the volume, tone, and speed settings •...
- Page 29 Note: This is the default behavior of the Advanced Model (DA1); it is only a change in behavior of the Standard Model(DS1). To configure the player for reduced verbosity, press and hold the Fast Forward button then the Speed Down button so that both buttons are held down simultaneously for 2 seconds when the player is in Key Describer mode (no cartridge inserted).
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Page 30: Library Diagnostic Operations (Via Keypad)
Special Features for Librarians and Technicians Section 3 Library Diagnostic Operations (via Keypad) The Library diagnostic level is accessed using only the keypad, with prompts and results rendered as audio announcements. Library-level errors are announced at the time they occur and are recorded for later analysis. Patrons may hear library-level error messages when they occur. - Page 31 Special Features for Librarians and Technicians Section 3 3.1.1 Library-Level Diagnostic Message Retrieval Library diagnostic functions enable the playback and erasure of error messages that have been recorded in the player’s memory. This capacity is expected to be useful for telephone support when librarians may be able to instruct patrons to enable their player to recall saved error messages.
- Page 32 Special Features for Librarians and Technicians Section 3 Announcement What the Announcement Means The player has not recorded any error codes related to book cartridges or the cartridge Cartridge OK USB port. An error event has occurred related to a cartridge (or another device) inserted into the cartridge USB port.
- Page 33 Troubleshooting If the player does not function correctly and this error is persistent, the player must be sent to an NLS service center for repair. February 2010 Digital Talking-Book Player Library Guide...
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Page 34: Technician Diagnostic Operations (Via Keypad)
Rewind Sleep Tone Down Power Insert a USB cartridge containing the file ‘options.xml’ containing: <?xml version="1.0" encoding="utf-8"?> <dtbm xmlns="http://www.loc.gov/nls/DTBM"> <directive> <InitialMode value="Service2” /> </directive> </dtbm> To exit the Technician diagnostic level: Power off the player. 3.2.1 Introduction The Technician diagnostic level is intended primarily for use by librarians and technicians. At this level, access to an audio interactive menu is provided to check the current condition of the player’s systems, read accumulated usage... - Page 35 Special Features for Libraries and Technicians Section 3 When the Technician diagnostic level is entered, the player announces the following information: • Power On beep: The player is booting, memory test is being performed. This step may take a few moments. •...
- Page 36 Special Features for Libraries and Technicians Section 3 3.2.3 Technician Diagnostic Level Menu Items Player Status Read Erase Cartridge Test Test Complete Partial Book Test Statistics Report Report Export Statistics Export Keypad Test Test Set Language English Spanish Initiate Statistics Recharge Status Battery Battery Recharge...
- Page 37 Special Features for Libraries and Technicians Section 3 Player Status Retrieve and reset error messages stored in player memory. Read The player reports the errors saved in the internal memory. At the end of the report the player returns to the current menu item.
- Page 38 Special Features for Libraries and Technicians Section 3 Book Test Problems with a player may sometimes be due to a faulty book structure. This test can be helpful to validate the structure of a book. This test will work only with DAISY 2.02 and NISO books. This test only validates the book information needed to play the book.
- Page 39 Special Features for Libraries and Technicians Section 3 Statistics Report List of different statistics saved by the player. Refer to the Statistics Table in the Appendix, section 8.1. Note: Information about the following items is not rendered: Number of Key Exchange Objects Key Exchange Object name list Last service date Service comments...
- Page 40 Special Features for Libraries and Technicians Section 3 Keypad Test The Keypad test works like the Key Describer, except that only short announcements will be reported so the tester doesn’t get bored or disturbed by long, repetitive messages. This test will terminate if no key is pressed for 5 seconds.
- Page 41 Special Features for Libraries and Technicians Section 3 Battery Battery Settings and Statistics Note: There may be a delay in updating the battery status information after adding, removing, plugging, unplugging, or resetting a battery; after plugging or unplugging the player; and after initiating a manual recharge.
- Page 42 Special Features for Libraries and Technicians Section 3 Disable Set the player to be used without a battery. If the player is to be used without a battery and this option is set, error messages related to battery-charge status are not reported to the patron. Note: Selecting this option, even if a battery is present, will not damage the player.
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Page 43: Player Configuration And Operation With An Xml File
USB drive. Example of an ‘options.xml’ file used to setup a player prior to distribution to a patron <?xml version="1.0" encoding="utf-8"?> <dtbm xmlns="http://www.loc.gov/nls/DTBM"> <configuration> <Language value="spanish" />... -
Page 44: Player Checkout Procedure
Player Checkout Procedure Section 4 Player Checkout Procedure The following sections describe the sequence of inspections and tests required to checkout a player. The player is not opened during these procedures, but it can be examined in more detail by a technician. Tools Needed Flashlight USB flash memory device... -
Page 45: Operation On Ac Power
Player Checkout Procedure Section 4 Operation on AC Power Preconditions: 1. No DTB cartridge is inserted in the player. 2. No AT-device or USB flash drive is inserted in the AT device USB port. 3. The AC power cord is not connected to AC mains power. 4. -
Page 46: Battery Condition And Player Statistics
The player collects gross statistics on the usage of various systems (e.g., the number of hours that the player has been used on battery power and on AC power, number of charge cycles, etc.). These data will be used by NLS to better tailor the next version of the player to the needs of the patron. -
Page 47: Keypad Check
With a USB flash drive in the AT device port and no cartridge inserted, press the Play/Stop key to begin the “Export statistics” operation. Save the file for later transmission to NLS engineering. Note: The same USB flash drive may be used to export statistics from many players. Since each player will write a file with a name derived from its serial number. -
Page 48: Cartridge Check
Player Checkout Procedure Section 4 Cartridge Check Preconditions: 1. No DTB cartridge is inserted in the player. 2. The player is powered on. Methodology: A cartridge is inserted into the player and it plays a book without error. This step is intended to confirm that three player functions are operating properly: •... -
Page 49: Audio Quality
Player Checkout Procedure Section 4 Audio Quality Preconditions: None Methodology: A cartridge is inserted into the player and the audio is assessed for excessive audio distortion or noise. a) Insert a DTB cartridge into the player. b) Set the tone and speed controls to their normal (mid) setting. c) With the player reading the DTB cartridge, press the Volume Up button until the player announces “Maximum Volume.”... -
Page 50: At Device Port Check
Player Checkout Procedure Section 4 Listen to the audio in both the left and right sides of the headphones. Is the audio present in both sides and is the audio quality good? The player has is operating correctly using headphones. Yes: Continue to step 3. -
Page 51: General Upkeep Activities
General Upkeep Activities Section 5 General Upkeep Activities Exterior Cleaning Materials Needed Water-based, all-purpose cleaning solutions such as Johnson ® Diversey Whistle 91249 cleaner, Simple Green, or 409. Soft cloths, soft brushes, cotton swabs Note: Never immerse the player in cleaning liquids or water. Note: Avoid abrasive cleaning solutions or materials that may damage player markings. -
Page 52: Software Upgrade
The software, if retrieved from the NLS via the Internet, will be a single zip file of approximately 30 MB in size. This file must be unziped onto a cartridge or USB drive preserving the file structure. The root directory of the update software tree is called “upgrade”... -
Page 53: Preparation For Shipping
Shipping Section 6 Preparation for Shipping Note: Battery packs must be connected before players are shipped to patrons. Note: Players and shipping containers must be kept together so the serial number label on the container matches the player serial number. 1. -
Page 54: Long-Term Player Storage
Appendix Section 8 Long-Term Player Storage The battery packs shall be disconnected in players that will be stored for longer than 3 months. This is because even when the player is off the battery pack is always powering a “gas gauge” integrated circuit that determines the state of battery charge. -
Page 55: Appendix
To reduce the space required for the barcode, the model number and dash are replaced with a two character code. “DS1-” is replaced with “Z1” and “DA1-” is replaced with “Y1”. Thus a barcode scanner would read “DS1- 0000001” as “Z10000001.”, where the last character is the mod 43 checksum. - Page 56 Appendix Section 8 8.1.1.3 Overpack Box Label Figure 8-4. Overpack Box Serial Number Label February 2010 Digital Talking-Book Player Library Guide...
- Page 57 Appendix Section 8 8.1.2 Cartridge Serial Number Format Each cartridge is printed with a unique serial number barcode. Libraries may choose to keep track of specific copies of books or library purchased cartridges with this barcode. An accompanying alphanumeric code also indicates the cartridge’s capacity and the year and lot number of its production.
- Page 58 Appendix Section 8 8.1.3 Container Barcode Each cartridge container is printed with a serial number in Arabic characters and as a barcode. The human readable number is printed under the barcode along with the check digit. The serial number is unique for each container and bares no relation to the serial number of the cartridge that it contains.
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Page 59: Statistics Table
Appendix Section 8 Statistics Table Type Elements Description Statistics Table Revision Statistics Table (this table) revision Player Serial Number Serial number Player Type Standard or Advanced Model Battery in player Player is set to expect that a battery is installed. General Number of Key Exchange Object Number of PTDB1 and PDTB2 keys in the player... - Page 60 Appendix Section 8 Total idle time while the player is powered by AC. Three conditions must be met to be idle: no button pressed, no audio played, and power is coming from AC power source. Total idle time while the player is powered by Idle Time battery for the current battery pack.
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Page 61: List Of Error Announcements
Appendix Section 8 Volume Down Speed Up Speed Down Tone Up Tone Down Sleep Bookmark Info Menu Previous Next Books Number of different books (for current profile) List of Error Announcements Error Message Level Error types At this level, all cartridge errors will be reported as: “Cartridge error”... - Page 62 Appendix Section 8 Error Message Level Error types Battery detection (Player is configured to operate without battery but a battery has been detected OR “Battery setup is wrong” player is configured to operate with a battery but no battery has been detected) Battery recharge (Battery voltage too low OR Battery voltage too high OR Charge time too long OR Too many failed charge...
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Page 63: Frequently Asked Questions
Appendix Section 8 Frequently Asked Questions 8.4.1 General 1. How do I clear all information from the player? Turn off the player. Hold down the Tone Up, Speed Up, and Volume Up buttons and press the Power button. The player will say “Creating New Profile.” This will remove all bookmarks, set the language to English, and reset all controls to their default position. - Page 64 This is an error in the book itself, not in the individual cartridge. If it is a book produced by NLS, report the book number and any information about where the error occurred to NLS Quality Assurance Section.
- Page 65 Appendix Section 8 17. Can I leave the player plugged in when I am reading a book? Should I unplug it when I’m done reading? Is there anything I should know to avoid damaging the battery? The player can remain connected to the mains power indefinitely with no ill effects. You don’t need to worry about charging patterns in order to maximize battery life.
- Page 66 Press the Menu button until you hear “Page jump,” then use the Next and Prev buttons to move the reading position to page boundaries in the book. Most NLS books do not include page numbers. There is no method to navigate by page on the Standard Model.
- Page 67 1. Can I play RFB&D books in my machine? It is possible for RFB&D to format their books to play in the NLS player. Contact RFB&D to see if the specific book is available in a format that will play in the NLS player. The player may need to be enabled to play protected RFB&D books.
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