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TM 11-5820-890-20-2
1-5
SECTION II
EQUIPMENT DESCRIPTION AND DATA
1.8.
DESCRIPTION OF COMPONENTS.
Receiver transmitter RT 1523 series provides secure FM communication for command and control of combat
forces. It is a rugged, lightweight unit in a compact water tight case. All switches, displays, and controls are
located on the front panel. The RT operates on a frequency range from 30 to 87.975 MHz. Within the frequency
range there are 2320 channels, each channel being 25 kHz wide. You may preset eight single channel
operating frequencies in the RT (MAN, 1, 2, 3, 4, 5, 6, and CUE), plus six frequency hopping channels (1-6).
The RT has the ability to change frequencies constantly during operation. This is known as • FREQUENCY
HOPPING ." A set of operating frequencies is known as a • HOPSET." Attached to the hopset is a •TRANSEC."
The transec determines the sequence in which the frequencies will change.
FCTN
SWITCH
MODE
SWITCH
COMSEC
SWITCH
CHAN
SWITCH
DIM
CONTROL
RF PWR
SWITCH
VOL/WHSP CONTROL
KEYBOARD
AUD/FILL
CONNECTOR
(J3)
AUD/DATA CONNECTOR (J4)
ANT
CONNECTOR
(J1)
RXMT
CONNECTOR
(J2)
SYSTEMS
CONNECTOR
(P1)
DISPLAY
RECEIVER TRANSMITTER, RADIO RT 1523/RT 1523B
HUB
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