Icom IC-R9500 - Receive Adjustment (Hf)

4 - 4
ADJUSTMENT ITEM ADJUSTMENT CONDITION OPERATION VALUE
TOTAL GAIN
[Total Gain HF PRE OFF]
1) Set the SG as;
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.
30 dB less
than reference
level above
[Total Gain HF PRE1 ON] • Set the SG as;
Level :OFF
Rotate [MAIN DIAL] to adjust the AF
output level.
Push [F-7] key.
[Total Gain HF PRE2 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 HF PRE
OFF]
1) Set the SG as;
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 HF PRE1
ON]
• Set the SG as;
Level : OFF
Rotate [MAIN DIAL] to adjust the AF
output level.
Push [F-7] key.
12 dB less
than reference
level above
[Gain UP Total Gain HF PRE2
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
EXTERNAL AGC
[AGC(RX-DSP)]
• Set the SG as;
Level : +70 dBu
Push [F-7] key. (Automatic
adjustment)
S-MERTER
[HF S0 LEVEL]
• Set the SG as;
Level : OFF
Push [F-7] key. (Automatic
adjustment)
[HF S9 LEVEL] • Set the SG as;
Level : +34 dBu
Push [F-7] key.
[S9+60 LEVEL] • Set the SG as;
Level : +94 dBu
Push [F-7] key.
4-4 RECEIVE ADJUSTMENTS (HF) [RX-HF]
• Push [F-4•RX] key to enter the receive adjustment menu then push [F-1•RX-HF] key to select RX-HF ADJUSTMENT.
• Connect an AC milivoltmeter to the [EXT-SP] jack.
• Connect an SG to [HF-ANT1] and set as;
Frequency : 14.1515 MHz
Modulation : None
NOTE: HOLD the adjustment condition (SG level and frequency etc.) until next ADJ item is displayed.