Transmitter adjustments, 5 transmitter adjustments – Icom IC-M802 User Manual
Page 26
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-135’s 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