Icom IC-7400, Service Manual, Page: 28 / 92

5 - 12
ADJUSTMENT MODE—continued
RX
ADJUSTMENT
ADJUSTMENT ADJUSTMENT CONDITION DISPLAY OPERATION
• Connect an SSG to [ANT 144M]
connector and set as:
Frequency : 108.021500 MHz
Level : 3.2 µV (–97 dBm)
Modulation
: OFF
• Receiving
• Set an SSG as :
Frequency : 143.981500 MHz
Level : 3.2 µV (–97 dBm)
Modulation
: OFF
• Receiving
• Set an SSG as :
Frequency : 144.021500 MHz
Level : 3.2 µV (–97 dBm)
Modulation
: OFF
• Receiving
• Set an SSG as :
Frequency : 173.981500 MHz
Level : 3.2 µV (–97 dBm)
Modulation
: OFF
• Receiving
6
7
8
9
Push [[F5 (
SET
)] to tune the “BPF-
1”, and to step next.
Push [[F-5 (
SET
)] to tune the “BPF-
2”, and to step next.
Push [[F-5 (
SET
)] to tune the “BPF-
3”, and to step next.
Push [[F-5 (
SET
)] to tune the “BPF-
4”, and return to the opening display.
chk SET
Tuned BPF-1
chk SET
Tuned BPF-2
chk SET
Tuned BPF-3
chk SET
Tuned BPF-4
*This output level of a standard signal generator (SSG) is indicated as SSG’s open circuit.