Icom ID-51E

5 - 8
5-3 TRANSMIT ADJUSTMENT (Continued)
• DEVIATION ADJUSTMENTS
Select an adjustment item using
/
, and then set the adjustment value as specifi ed using [DIAL].
ADJUSTMENT
ADJUSTMENT
ITEM
OPERATION VALUE
FM DEVIATION
–
1 1) Set the power supply voltage to 7.4 V.
2) Connect a modulation analyzer to the antenna connector through
an attenuator, and set it as;
HPF : OFF
LPF : 20 kHz
De-emphasis : OFF
Detector : (P-P)/2
3) Connect an audio generator to the JIG cable (See page 5-1).
–
-VHF-
[FM (BAND LOW)]
[MFL]
2 1) Set the audio generator as;
Frequency : 1 kHz
Level : 90 mVrms
2) While transmitting, adjust the deviation using [DIAL], and then
push
to store the adjustment value.
±4.1 to ±4.3
kHz
[FM-N (BAND LOW)]
[MNL]
3 ±2.0 to ±2.2
kHz
[FM (BAND HIGH)]
[MFH]
4 ±4.1 to ±4.3
kHz
[FM-N (BAND HIGH)]
[MNH]
5 ±2.0 to ±2.2
kHz
-UHF-
[FM (BAND LOW)]
[MFL]
6 ±4.1 to ±4.3
kHz
[FM-N (BAND LOW)]
[MNL]
7 ±2.0 to ±2.2
kHz
[FM (BAND HIGH)]
[MFH]
8 ±4.1 to ±4.3
kHz
[FM-N (BAND HIGH)]
[MNH]
9 ±2.0 to ±2.2
kHz
REFERENCE
SIGNAL
DEVIATION
-VHF-
[FM (BAND LOW)]
[BFL]
1 1) Set the audio generator as;
Level : 0 mVrms (OFF)
2) While transmitting, adjust the deviation using [DIAL], and then
push
to store the adjustment value.
Minimum
deviation
[FM-N (BAND LOW)]
[BNL] 2
[FM (BAND HIGH)]
[BFH] 3
[FM-N (BAND HIGH)]
[BNH] 4
-UHF-
[FM (BAND LOW)]
[BFL]
5
[FM-N (BAND LOW)]
[BNL] 6
[FM (BAND HIGH)]
[BFH] 7
[FM-N (BAND HIGH)]
[BNH] 8
DV DEVIATION
–
1 1) Set the power supply voltage to 7.4 V.
2) Connect a modulation analyzer to the antenna connector through
an attenuator, and then set it as;
HPF : OFF
LPF : 20 kHz
De-emphasis : OFF
Detector : (P-P)/2
3) No audio signal is applied.
–
-VHF-
[BAND LOW]
[DVV]
2• While transmitting, adjust the deviation using [DIAL], and then
push
to store the adjustment value.
±0.95 to ±1.15
kHz
[BAND CENTER]
3
[BAND HIGH]
4
-UHF-
[BAND LOW]
5
[BAND CENTER]
6
[BAND HIGH]
7