Icom IC-R9500 - Receive Adjustment (V;U2)

4 - 7
ADJUSTMENT ITEM ADJUSTMENT CONDITION OPERATION VALUE
TOTAL GAIN
[Total Gain V/U1 PRE OFF]
1) Set the SG as;
Frequency : 50.1515 MHz
Level : +60 dBu
Measure the AF output level and set it as
the reference level (0 dB).
0 dB
2) Set the SG as;
Level : OFF
Rotate [MAIN DIAL] to adjust the AF
output level.
Push [F-7] key.
−25 dB less
than reference
level above
[Total Gain V/U1 PRE ON] • Set the SG as;
Level : OFF
Rotate [MAIN DIAL] to adjust the AF
output level.
Push [F-7] key.
[Total Gain V/U2 PRE OFF] 1) Set the SG as;
Frequency : 625.0215 MHz
Level : +60 dBu
Measure the AF output level and set it as
the reference level (0 dB).
0 dB
2) Set the SG as;
Level : OFF
Rotate [MAIN DIAL] to adjust the AF
output level.
Push [F-7] key.
25 dB less
than reference
level above
[Total Gain V/U2 PRE ON] • Set the SG as;
Level : OFF
Rotate [MAIN DIAL] to adjust the AF
output level.
Push [F-7] key.
DSP GAIN-UP TOTAL GAIN
[Gain UP Total Gain V/U1 PRE
OFF]
1) Set the SG as;
Frequency : 50.1515 MHz
Level : +60 dBu
Measure the AF output level and set it as
the reference level (0 dB).
0 dB
2) Set the SG as;
Level : OFF
Rotate [MAIN DIAL] to adjust the AF
output level.
Push [F-7] key.
15 dB less
than reference
level above
[Gain UP Total Gain V/U1 PRE
ON]
• Set the SG as;
Level : OFF
Rotate [MAIN DIAL] to adjust the AF
output level.
Push [F-7] key.
10 dB less
than reference
level above
[Gain UP Total Gain V/U2 PRE
OFF]
1) Set the SG as;
Frequency : 625.0215 MHz
Level : +60 dBu
Measure the AF output level and set it as
the reference level (0 dB).
0 dB
2) Set the SG as;
Level : OFF
Rotate [MAIN DIAL] to adjust the AF
output level.
Push [F-7] key.
15 dB less
than reference
level above
[Gain UP Total Gain V/U2 PRE
ON]
• Set the SG as;
Level : OFF
Rotate [MAIN DIAL] to adjust the AF
output level.
Push [F-7] key.
10 dB less
than reference
level above
4-6 RECEIVE ADJUSTMENTS (VHF and UHF) [RX-V/U1]
• Push [F-3•RX V/U1] key to select RX V/U1 ADJUSTMENT.
• Connect an AC milivoltmeter to the [EXT-SP] jack.
• Connect an SG to [ANT1/HF ANT3] and set as;
Modulation : None
NOTE: HOLD the adjustment condition (SG level and frequency etc.) until next ADJ item is displayed.