Receive Adjustments; Sensitivity Adjustment; Connection For Receive Sensitivity And Rssi Adjustments - Icom Ic-2820H Service Manual

5-4 RECEIVE ADJUSTMENTS

¤ SENSITIVITY ADJUSTMENT

• CONNECTION FOR RECEIVE SENSITIVITY AND RSSI ADJUSTMENTS

<SETTING>
• For RX SENSITIVITY ADJ.
Modulation : 1 kHz
Deviation : ±3.5 kHz
Level : 0 dBµ
ADJUSTMENT ITEM
SENSITIVITY Connect a Standard Signal Generator to the antenna connector (J1).
118.020 MHz
127.020 MHz
135.980 MHz
136.020 MHz
146.020 MHz
173.980 MHz
174.020 MHz
220.020 MHz
250.020 MHz
260.020 MHz
310.020 MHz
360.020 MHz
STANDARD SIGNAL GENERATOR
(0.1–1 GHz)
ADJUSTMENT CONDITIONS
(Left Band) 1 • Set the SSG as;
[L LT1] Frequency
(Right Band) 2
[R LT1]
(Left Band) 3 • Set the SSG as;
[L MT1] Frequency
(Right Band) 4
[R MT1]
(Left Band) 5 • Set the SSG as;
[L HT1] Frequency
(Right Band) 6
[R HT1]
(Left Band) 7 • Set the SSG as;
[L LT2] Frequency
(Right Band) 8
[R LH2]
(Left Band) 9 • Set the SSG as;
[L MT2] Frequency
(Right Band) 10
[R MT2]
(Left Band) 11 • Set the SSG as;
[L HT2] Frequency
(Right Band) 12
[R HT2]
(Left Band) 13 • Set the SSG as;
[L LT3] Frequency
(Left Band) 14 • Set the SSG as;
[L MT3] Frequency
(Left Band) 15 • Set the SSG as;
[L HT3] Frequency
(Left Band) 16 • Set the SSG as;
[L LT4] Frequency
(Left Band) 17 • Set the SSG as;
[L MT4] Frequency
(Left Band) 18 • Set the SSG as;
[L HT4] Frequency
To J1
DC power supply
(13.8 V/20 A)
Fuses
20 A
: 118.020 MHz
: 127.020 MHz
: 135.980 MHz
: 136.020 MHz
: 146.020 MHz
Push the right band's
[MAIN•BAND] key.
: 173.980 MHz
: 174.020 MHz
: 220.020 MHz
: 250.020 MHz
: 260.020 MHz
: 310.020 MHz
: 360.020 MHz
5 - 6
IC-2820H
−
⊕
−
Black
⊕
Red
OPERATION VALUE
(Automatic
adjustment)