Icom IC-F620 Adjustment page 6

Adjustment No.
Checking RX
Sensitivity
Adjusting the
S3 LEVEL
Adjusting the
S1 LEVEL
Adjustment Condition & Tuning
Check that the signal generator level when
the RX frequency bandwidth becomes 12 dB
SINAD, is the value below.
RX Sensitivity
Use the same check method for Narrow
channels also.
This Adjustment is after the RX Sencitivity
Finish.
Set the signal generator in the following
way for wide channels.
Adjust Freq. Near Greatest Lo band F.
SG Input level
Modulation Freq.
WIDE
S3 SET COMMAND with the Adjustment soft Adj.Soft
Ware.
Set the signal generator to the settings
below.
SG Output Level
S1 SET COMMAND with the Adjustment soft Adj.Soft
Ware.
ADJUSTMENT
Less than -10 dBu
+23 dBu
1kHz
± 3.5 kHz
-7 dBu
Value Ref. No. CK. Point
Less-10dB
S-METER
S3 Level
S-METER
S1 Level
ANT Con
SP Jack
ANT Con
ANT Con