TM 11-7440-232-12/NAVELEX 0967-LP-275-5010
NOTE
All three BIT RATE switches must be in the same BIT RATE position.
Set ALARM CUTOFF switch to NORM, or in accordance with the stations SOP.
Set power supply switch to ON.
CAUTION
Do not turn power supply switch to ON unless the transmitter branch and receive branch
controls are set for the assigned system application; otherwise, you will transmit at an
unauthorized data rate.
NOTE
Do not turn digital data modem off except under direction of your chief operator or in an
emergency. During actual use it has been found that the digital data modem operates more
efficiently when the RF oscillator is allowed to remain stabilized with power applied.
2-9. STOPPING PROCEDURE
NOTE
Perform only during authorized shutdown or in an emergency.
a. Set power switch to OFF.
b. In an emergency, set main circuit breaker to OFF.
2-10. OPERATING INSTRUCTION ON DECALS AND INSTRUCTION PLATES
a. There are no operating instructions on decals and no instruction plates.
b. On the inside of the front cover of the modem shelf is a decal which shows the location of controls and test pin
jacks, and their nomenclature.
2-9
