Icom IC-91A Service Manual page 23

6-4 RECEIVER ADJUSTMENT (continued)
ADJUSTMENT ITEM
WFM S-METER
5#
[S3A]
1.0–145 MHz bands
15.1–40.1 MHz bands
60.1 MHz band
87.5 MHz band
107.9 MHz band
145.1 MHz band
220 MHz band
305 MHz band
435 MHz band
530 MHz band
800 MHz band
*Displayed on the function display.
† The output level of the standard signal generator (SSG) is indicated as the SSG's open circuit.
ADJUSTMENT CONDITION
• Connect an SSG to the ANT connector and set as;
Dev. : 3.5 kHz
AF : 1 kHz
1 • Set the SSG as;
Frequency : Specified frequencies*
Level : 0 dBµ
• Receiving
2 • Set the SSG as;
Frequency : Specified frequencies*
Level : –3 dBµ
• Receiving
3 • Set the SSG as;
Frequency : Specified frequency*
Level : –4 dBµ
• Receiving
4 • Set the SSG as;
Frequency : Specified frequency*
Level : 2 dBµ
• Receiving
5 • Set the SSG as;
Frequency : Specified frequency*
Level : –1 dBµ
• Receiving
6 • Set the SSG as;
Frequency : Specified frequency*
Level : 0 dBµ
• Receiving
7 • Set the SSG as;
Frequency : Specified frequency*
Level : –2 dBµ
• Receiving
8 • Set the SSG as;
Frequency : Specified frequency*
Level : 5 dBµ
• Receiving
9 • Set the SSG as;
Frequency : Specified frequency*
Level : –4 dBµ
• Receiving
10 • Set the SSG as;
Frequency : Specified frequency*
Level : 10 dBµ
• Receiving
11 • Set the SSG as;
Frequency : Specified frequency*
Level : 6 dBµ
• Receiving
†
(–107 dBm)
†
(–110 dBm)
†
(–111 dBm)
†
(–105 dBm)
†
(–108 dBm)
†
(–107 dBm)
†
(–109 dBm)
†
(–102 dBm)
†
(–111 dBm)
†
(–97 dBm)
†
(–101 dBm)
6 - 6
VALUE
Push [BAND]
(Automatic
adjustment)