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 TM 55-1905-219-14-2
III IDENTIFICATION OF POSITION
(I/P) OPERATION
STEP 1
The TRANSPONDER SYSTEM will transmit position Identifying signals to all interrogating stations on
MODES 1, 2, and 3/A when the IDENT-SWITCH is energized.
STEP 2
Momentarily hold the IDENT-MIC SWITCH in the IDENT POSITION and then release. (This will transmit the
I/P signal for a period of 15 to 30 seconds.)
STEP 3
Repeat as required.
IV EMERGENCY OPERATION
STEP 1
Specially coded emergency signals on MODES 1,2,and 3/A may be transmitted during an emergency
condition.
STEP 2
Pull the MASTER CONTROL knob OUTWARD and rotate to the EMER. POSITION.
STEP 3
Let the MASTER CONTROL remain in the EMER. POSITION for the duration of the emergency.
STEP 4
Return the MASTER CONTROL to the NORMAL or LOW POSITION when the emergency is over.
V MODE 4 MONITORING
STEP 1
Set the AUDIO-LIGHT SWITCH to the LIGHT POSITION.
STEP 2
MODE 4 replies will cause the REPLY LIGHT to illuminate.
VI STOPPING THE EQUIPMENT
STEP 1
Set MASTER CONTROL to OFF.
STEP 2
Set IDENT-MIC SWITCH to OUT.
STEP 3
Set M-1,M-2, M-3/A, M-C and MODE 4 SWITCHES to OUT.
STEP 4
Set AUDIO-LIGHT SWITCH to OUT.
STEP 5
Turn POWER SWITCH on 24VDC Dist. Panel OFF.
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