ALlGNMENT OF SQUELCH
Test Equipment Required and Connections
SG
Oscilloscope
o
o
D
Digital Voltmeter
EXT.EAR
Jack J1
+ -
Set
ANT
(
rn--+--++--+l----+-+l~)
Jack
J501
De
Power Supply
Alignment Procedure
To PowerJack J2
12V
l'
0.1 llF
Step Preset to Adjustment
Result
CH2
Set the SG level so that the voltage at LND7 is 0.96 ±0.05
1 SG: 40.840 MHz
No modulation
V DC. (See Page 15 for the position.)
CH2
SG: 40.840 MHz
2
1KHz±3KHz
RT1
Adjust RT1 slowly until the squelch opens
Dev
Squelch:
CW
Alignment Point Location (RF PCB)
ANT Jack
D
J501
Power Jack
J2
D
EXT.EAR
Jack J1
0
el
RT1
-10-
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