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TX-CTB
Classroom Transmitter
and Barcode Reader
instruction manual
Transmitters
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AMX Limited Warranty and Disclaimer
AMX Corporation warrants its products to be free of defects in material and workmanship under normal use for
three (3) years from the date of purchase from AMX Corporation, with the following exceptions:
• Electroluminescent and LCD Control Panels are warranted for three (3) years, except for the display and touch
overlay components that are warranted for a period of one (1) year.
• Disk drive mechanisms, pan/tilt heads, power supplies, MX Series products, and KC Series products are
warranted for a period of one (1) year.
• Unless otherwise specified, OEM and custom products are warranted for a period of one (1) year.
• Software is warranted for a period of ninety (90) days.
• Batteries and incandescent lamps are not covered under the warranty.
This warranty extends only to products purchased directly from AMX Corporation or an Authorized AMX Dealer.
AMX Corporation is not liable for any damages caused by its products or for the failure of its products to perform.
This includes any lost profits, lost savings, incidental damages, or consequential damages. AMX Corporation is not
liable for any claim made by a third party or by an AMX Dealer for a third party.
This limitation of liability applies whether damages are sought, or a claim is made, under this warranty or as a tort
claim (including negligence and strict product liability), a contract claim, or any other claim. This limitation of
liability cannot be waived or amended by any person. This limitation of liability will be effective even if AMX
Corporation or an authorized representative of AMX Corporation has been advised of the possibility of any such
damages. This limitation of liability, however, will not apply to claims for personal injury.
Some states do not allow a limitation of how long an implied warranty last. Some states do not allow the limitation or
exclusion of incidental or consequential damages for consumer products. In such states, the limitation or exclusion of
the Limited Warranty may not apply. This Limited Warranty gives the owner specific legal rights. The owner may
also have other rights that vary from state to state. The owner is advised to consult applicable state laws for full
determination of rights.
EXCEPT AS EXPRESSLY SET FORTH IN THIS WARRANTY, AMX CORPORATION MAKES NO
OTHER WARRANTIES, EXPRESSED OR IMPLIED, INCLUDING ANY IMPLIED WARRANTIES OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. AMX CORPORATION
EXPRESSLY DISCLAIMS ALL WARRANTIES NOT STATED IN THIS LIMITED WARRANTY. ANY
IMPLIED WARRANTIES THAT MAY BE IMPOSED BY LAW ARE LIMITED TO THE TERMS OF THIS
LIMITED WARRANTY.
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Table of Contents
Table of Contents
Product Information .................................................................................................1
Setting the IR Frequency................................................................................................... 1
Using the TX-CTB .....................................................................................................3
Television Control.............................................................................................................. 3
Modes................................................................................................................................ 3
Local Mode............................................................................................................................... 3
Media Mode ............................................................................................................................. 4
Office, Security, or Media Center Control.......................................................................... 4
Calls ......................................................................................................................................... 4
System Media Control ....................................................................................................... 4
Motion ...................................................................................................................................... 4
Laser Disc ................................................................................................................................ 5
VCR.......................................................................................................................................... 5
CD-I Player............................................................................................................................... 5
Computer........................................................................................................................... 6
Slides................................................................................................................................. 6
Barcode Reader ................................................................................................................ 6
X-CTB Classroom Transmitter and Barcode Reader
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Table of Contents
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Product Information
The AMX Synergy Classroom Transmitter/Barcode Reader (TX-CTB) provides a full range of
control options for a Resource Management System (RMS). It transmits Infrared (IR) format
commands to classroom Television Managers.
TX-CTB Specifications
Dimensions (HWD): 5.25" (133 mm) x 6.26" (159 mm) x 0.75" (19.05 mm)
Weight: 8.4 oz (213.3 grams)
Frequency: 38 kHz - 455 kHz
Frequency options: • High-frequency IR (455 kHz) avoids interference with electronic ballasts
• Optional low frequency (38 kHz) to operate with existing AXB-TM installations
LED indicators: Six high-output IR LEDs
Power: Four 1.5 VDC N-size batteries
Enclosure: High-impact molded enclosure
Buttons: • ALT and OPTION buttons select special control options
• LOCAL button selects local video source for receivers/monitors
Product Information
Setting the IR Frequency
1. Remove the battery cover.
2. Set the DIP switch for the correct IR frequency
! Set the switch position down for 455 kHz.
! Set the switch position up for 38 kHz.
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Product Information
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Using the TX-CTB
Television Control
The TV control buttons operate the classroom television. The following functions are always
available:
! ON/OFF turns on or off the classroom television power. Only the adminstrator can
control television power.
! VOLUME controls the television volume. Press the up or down arrows to manipulate the
volume.
! MUTE activates or deactivates the volume mute option. Press MUTE to activate; press
again to deactivate.
! OPTION accesses optional control functions for local television display. Press OPTION
B, one of the following number buttons, then ENTER:
1 Line 1 select
2 Line 2 select
3 Closed Caption on/off
Using the TX-CTB
! The following functions are for televisions with a local VCR connected to the same
AXB-TM:
4 Tracking up
5 Tracking down
6 Reset counter
7 Clear
9 Text display on/off
Modes
The TX-CTB has two operation modes: Local Mode and Media Mode.
Local Mode
Local Mode is active whenever one of the following occurs:
! There is no media scheduled to that classroom.
! Press SOURCE (up) to select the next channel.
! Press SOURCE (down) to select the previous channel.
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Using the TX-CTB
Media Mode
Media Mode is active whenever there is a media source, broadcast channel, or media plan
scheduled to a classroom. You can select up to 10 sources.
! Press SOURCE (up) to pause current media, select next source assignment, and
play assigned media source.
! Press SOURCE (down) to pause current media, select previous source assignment,
and play assigned media source.
Office, Security, or Media Center Control
Calls
There are two different kinds of calls that you can send:
! Office: To send a general emergency call signal to the Paging Console (AXP-PC) or to a
Security Panel (AXU-SPL4) press OFFICE then ENTER. To clear the call before you
receive a response press OFFICE then CLEAR.
! Media: To send a general call to the media center's computer press MEDIA then ENTER.
System Media Control
The TX-CTB has a standard set of motion control buttons located on the right side.
Motion
To control the motion of the media, use the following seven buttons:
PLAY
STOP
PA US E
FFWD (Fast forward)
REV (Rewind)
FWD (Step forward)
REV (Step reverse)
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Using the TX-CTB
Laser Disc
The selected source must accept a Chapter and/or Frame command.
! Chapter: To play a specific chapter, press CHAPTER, the chapter number then ENTER.
! Frame: To play a specified frame, press FRAME, the fame number, then ENTER.
! Clear: To cancel commands, press CLEAR, then ENTER.
! Aud io: To control audio, press ALT and one of the following number buttons:
1 Left channel (analog)
2 Right channel (analog)
3 Both channels
4 All channels mute (analog)
5 Left channel (digital)
6 Right channel (digital)
7 Both channels (digital)
8 All channels mute (digital)
9 Text display on
0 Side A/B select (if available)
VCR
1. To access an optional feature, press ALT,
2. Then, choose one of the following number buttons and press ENTER:
4 Tracking up
5 Tracking down
6 Reset counter
7 Clear
9 Text display on/off
CD-I Player
To control the CD-I mouse, use the buttons labeled in yellow. Then, press one of the eight outer
number buttons (1 – 4 or 6 – 9). Select from four mouse speeds.
5 increases mouse speed while 0 decreases it.
To activate CD-I functions:
! Press the right button (ENTER) or the left button (CLEAR) to activate the first CD-
I function button.
! Press the right button (FRAME) or the left button (CHAPTER) to activate the
second CD-I function button.
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Using the TX-CTB
Computer
To control the CD-I mouse, use the buttons labeled in yellow. Then, press one of the eight outer
number buttons (1 – 4 or 6 – 9). For information on the Speed and how to activate functions refer to
the CD-I Player subsection.
Slides
To control video slide projectors and still video players, use the following buttons::
PLAY (slides on)
STOP (slides off)
PAUSE (still video standby)
FFWD (zoom in)
REV (zoom out)
FWD (forward)
REV (reverse)
Barcode Reader
To read a barcode:
1. Press READ. The LED turns green.
2. Hold the TX-CTB so the reader is perpendicular to the barcode.
3. Swipe the reader over the barcode until the TX-CTB beeps once. Follow these guidelines:
! If it does not beep, do not lift the reader from the page; swipe the reader over the barcode
in the other direction.
! It may take more than one pass, or it may take a pass in theother direction to read the
barcode.
4. After the TX-CTB beeps once, point it at the AXB-TM5.
5. Press SEND. The LED turns yellow when the TX-CTB transmits the data.
After five seconds of inactivity, the TX-CTB beeps twice and returns to normal IR operation.
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Using the TX-CTB
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AMX reserves the right to alter specifications without notice at any time.
2001 AMX Corporation. All rights reserved. AMX, the AMX logo, the building icon, the home icon, and the light bulb icon are all trademarks of AMX Corporation.
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3000 research drive, richardson, TX 75082 USA • 469.624.8000 • 800.222.0193 • fax 469.624.7153 • technical support 800.932.6993
045-004-1085 7/01
AMX reserves the right to alter specifications without notice at any time. *In Canada doing business as Panja Inc.
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