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Page Title:
Figure FO-2. Receiver Control Test Flow Chart ( Sheet 6 of 12) |
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 TM 11-5865-215-13
1. OBSERVE THAT FREQUENCY
1. AT THE RECEIVER CONTROL
SWEEP RATE DECREASES.
PRESS START KEY.
2. PRESS 30 KHZ BW KEY.
1. PRESS 8 KHZ BW KEY.
YES
2. OBSERVE TUNING FREQUENCY
YES
3. OBSERVE THAT:
2. OBSERVE THAT 8 KHZ
(MHZ) READOUT FOR A FREQUENCY
a. 30 KHZ BW KEY LIGHTS
I
BW KEY LIGHTS.
SWEEP BETWEEN
AND
I
b. 8 KHZ BW KEY GOES OUT
078.900
c. FREQUENCY SWEEPS AT A
FASTER RATE
PRESS AND HOLD 8 KHZ BW KEY.
YES
REPLACE
WITH OSCILLOSCOPE MONITOR
CCA Al
FOR PULSE ACTIVITY
Al-88
4
REPLACE 8 KHZ
BW KEY (S6).
PRESS AND HOLD 30 KHZ BW
YES
NO
REPLACE
KEY. WITH OSCILLOSCOPE
CCA Al
FOR
MONITOR Al-88
PULSE ACTIVITY
NO
YES
REPLACE 30 KHZ
BW KEY (S7)
MANUAL TUNING
`
ENTRY TEST
I
1. PRESS 50 KHZ BW KEY.
1. PRESS HOLD KEY.
2. OBSERVE THAT:
2. OBSERVE THAT:
YES
a. 50 KHZ KEY BW LIGHTS
YES
a. HOLD KEY LIGHTS
E
b. 30 KHZ BW KEY GOES OUT
b. MAN TUNE KEY LIGHTS
c. FREQUENCY SWEEPS AT A
c. TUNING FREQUENCY
FASTER RATE
(MHZ) DISPLAY FREEZES
PRESS AND HOLD 50 KHZ BW KEY.
WITH OSCILLOSCOPE MONITOR
AI-16
FOR PULSE ACTIVITY
Al-88 FOR PULSE ACTIVITY
I
NO
YES
REPLACE
REPLACE
REPLACE 50 KHZ
REPLACE
HOLD KEY (S36)
CCA Al
BW KEY (S8)
CCA Al
q
Figure FO-2. Receiver Control
12)
Test Flow Chart ( Sheet 6
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