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X-CTB Classroom Transmitter and Barcode Reader
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.
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.
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