Icom IC-2730A Service Manual page 25

5-4 RECEIVE ADJUSTMENTS (Continued)
ADJUSTMENT
ADJUSTMENT
-435.020/450.020 MHz-
[S39] (NAR)
(FM-N mode)
[Left band]
[Right band] [S39] (NAR)
-500.020 MHz-
[S40] (NAR)
(FM-N mode)
[Left band]
[Right band] [S40] (NAR)
SQUELCH NOTE: "RECEIVE SENSITIVITY" must be adjusted before "SQUELCH" and "S-METER." Otherwise,
-127.020 MHz-
(AM mode)
[Left band]
[Right band]
(AM-N mode)
[Sq1] (NAR)
[Left band]
[Right band] [Sq1] (NAR)
-145.020/146.020 MHz-
(FM mode)
[Left band]
[Right band]
(FM-N mode)
[Sq2] (NAR)
[Left band]
[Right band] [Sq2] (NAR)
-387.020 MHz-
(FM mode)
[Left band]
[Right band]
(FM-N mode)
[Sq3] (NAR)
[Left band]
[Right band] [Sq3] (NAR)
-440.020 MHz-
(FM mode)
[Left band]
[Right band]
(FM-N mode)
[Sq4] (NAR)
[Left band]
[Right band] [Sq4] (NAR)
-500.020 MHz-
(FM mode)
[Left band]
[Right band]
(FM-N mode)
[Sq5] (NAR)
[Left band]
[Right band] [Sq5] (NAR)
†
: This output level of a standard signal generator (SSG) is indicated in SSG's 50 ohms termination.
ITEM
38 • Set the SSG as:
Frequency:
†
Level :
39
40 • Set the SSG as:
Frequency:
Level † :
41
"SQUELCH" will not be adjusted properly.
1 • Connect a 50  dummy load to the antenna connector.
[Sq1]
[Sq1] 2
3
4
5
[Sq2]
[Sq2] 6
7
8
9
[Sq3]
[Sq3] 10
11
12
13
[Sq4]
[Sq4] 14
15
16
17
[Sq5]
[Sq5] 18
19
20
OPERATION
(Set the same frequency displayed on the controller.)
0 dBµ (–107 dBm)
(Set the same frequency displayed on the controller.)
0 dBµ (–107 dBm)
5-7
VALUE
Push [MW].
(Automatic
adjustment)
Push [MW].
(Automatic
adjustment)
Push [MW].
(Automatic
adjustment)