Icom IC-M802 Marine Radio User Manual


 
4 - 9
4-5 TRANSMITTER ADJUSTMENTS
The following adjustments must be performed at ADJUSTMENT MODE after SWR DETECTOR and RECEIVER ADJUST-
MENTS in the SECTION 4-3 and 4-4.
TRANSMIT
PEAK AND
TOTAL GAIN
(TX PEAK)
(TOTAL GAIN)
TX POWER
(HIGH)
(MIDDLE)
(LOW)
TUNE
POWER
AM CARRI-
ER POWER
([OTH] only)
1
2
1
2
1
2
1
2
1
2
1
2
While pushing HM-135s DOWN key,
[TX] and [RX] switches, turn power
ON.
Connect an audio generator to the
[MICROPHONE] connector and set
as:
Frequency : 1.5 kHz
Level : 10 mV
Push [1] swtich to enter the TX adjust-
ment mode
(LCD displayed: TX SET)
.
Push [ENT] switch, then the transceiv-
er is transmitting.
After setting 75 W, push the [ENT] key
to write the adjustment value in the
memory.
LCD displayed :TX POWER HIGH
Set the audio generator as:
Frequency : 1.5 kHz
Level : 100 mV
After setting 140 W, push the [ENT]
key to write the adjustment value in
the memory.
LCD displayed :TX POWER MID
Set the audio generator as:
Frequency : 1.5 kHz
Level : 100 mV
After setting 70 W, push the [ENT] key
to write the adjustment value in the
memory.
LCD displayed :TX POWER LOW
Set the audio generator as:
Frequency : 1.5 kHz
Level : 100 mV
After setting 20 W, push the [ENT] key
to write the adjustment value in the
memory.
LCD displayed :TX POWER TUNE
Set the audio generator as:
Frequency : 1.5 kHz
Level : 100 mV
After setting 10 W, push the [ENT] key
to write the adjustment value in the
memory.
LCD displayed :TX POWER H3E
Set the audio generator as:
Frequency : 1.5 kHz
Level : OFF
After setting 45 W, push the [ENT] key
to write the adjustment value in the
memory.
Rear
panel
Rear
panel
Rear
panel
Rear
panel
Rear
panel
Rear
panel
Connect an RF power
meter to the [ANT]
connector.
Connect an RF power
meter to the [ANT]
connector.
Connect an RF power
meter to the [ANT]
connector.
Connect an RF power
meter to the [ANT]
connector.
Connect an RF power
meter to the [ANT]
connector.
Connect an RF power
meter to the [ANT]
connector.
Maximum out-
put power
75 W
140 W
70 W
20 W
10 W
45 W
MAIN
RC-25
RC-25
RC-25
RC-25
RC-25
RC-25
L706
[CH]
DIAL
[CH]
DIAL
[CH]
DIAL
[CH]
DIAL
[CH]
DIAL
[CH]
DIAL
ADJUSTMENT ADJUSTMENT CONDITIONS
UNIT LOCATION
VALUE
UNIT ADJUST
MEASUREMENT ADJUSTMENT