Icom D-STAR ID-31A; D-STAR ID-31E, Руководство по обслуживанию

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5 - 7
5-4 RECEIVE ADJUSTMENTS
1) Select an adjustment item (band) using
/
.
2) Set the SSG as specifi ed (frequency, deviation and output level), and then push to automatically adjust.
ADJUSTMENT
ADJUSTMENT
ITEM
OPERATION VALUE
RECEIVE
SENSITIVITY NOTE:
“ RECEIVE SENSITIVITY ” must be adjusted before “ S-METER .” Otherwise, “ S-METER ” will
not be adjusted properly.
–
1 1) Set the power supply voltage to 7.4 V.
2) Connect an SSG to the antenna connector, and then set it as;
Frequency : (Displayed on the function display)
Level : –10 dBµ (–117 dBm)
†
Modulation : 1 kHz
Deviation : 3.5 kHz
Push .
(Automatic
adjustment)
400.02 MHz
[UTL] 2
435.02 MHz
[UTM] 3
478.95 MHz
[UTH] 4
S-METER NOTE: “ RECEIVE SENSITIVITY ” must be adjusted before “ S-METER ” and “ S-METER S3 LEVEL .” Otherwise,
“ S-METER ” and “ S-METER S3 LEVEL will not be adjusted properly.
–
1 1) Set the power supply voltage to 7.4 V.
2) Connect an SSG to the antenna connector and set it as;
Modulation : 1 kHz
Deviation : 3.5 kHz
–
S0 level
[USO]
2 • Set the SSG as;
Frequency : (Displayed on the function display)
Level : –10 dBµ (–117 dBm)
†
Push .
(Automatic
adjustment)
S3 level
[US3]
3 • Set the SSG as;
Level : –6 dBµ (–113 dBm)
†
Full scale
[USF]
4 • Set the SSG as;
Level : +10 dBµ (–97 dBm)
†
SQUELCH
[SQL]
1 1) Set the power supply voltage to 7.4 V.
2) Connect an SSG to the antenna connector and set as;
Modulation : 1 kHz
Deviation : 1.75 kHz
–
[FM] 2 • Set the SSG as;
Frequency : (Displayed on the function display)
Level : OFF
†
Push .
(Automatic
adjustment)
[FM-N] 3 • Set the SSG as;
Frequency : (Displayed on the function display)
Level : –24 dBµ (–131 dBm)
†
†
; This output level of a standard signal generator (SSG) is indicated as SSG’s open circuit.