Transmit Adjustment - Icom IC-F6012 Service Manual

6-3 TRANSMIT ADJUSTMENT

1) Select an adjustment item using cursor or [↑]/[↓] of the PC's keyboard.
2) Set or modify the adjustment value as specifi ed using [←]/[→] of the PC's keyboard, then push [ENTER].
TRANSCEIVER'S
ADJUSTMENT
OUTPUT 1 • Channel
POWER • Transmitting
(Hi power)
(L2 power) 2 • Channel
• Transmitting
(L1 power) 3 • Channel
• Transmitting
MODULATION 1 • Channel
BALANCE • No audio signal applied
to the JIG cable.
• Transmitting.
1 • Channel
DEVIATION
• Transmitting
(NARROW)
2 • Channel
(WIDE)
• Transmitting
†
3 • Channel
(MIDDLE)
• Transmitting
1 • Channel
CTCSS/DTCS
• No audio signal applied
DEVIATION
to the JIG cable.
• Transmitting
†
: [EUR] only
CONDITION
: 1-4 • Connect an RF power meter to the an-
tenna connector.
: 1-5
: 1-6
: 1-7 • Connect a modulation analyzer with an
oscilloscope to the antenna connector
through an attenuator, and set it as;
HPF
LPF
De-emphasis
Detector
: 1-8
• Connect a modulation analyzer to
the antenna connector through an
attenuator, and set it as described in
the "MODULATION BALANCE" above.
: 1-9
• Connect an audio generator to the JIG
cable and set it as;
: 1-10
Frequency
Level
: 1-11
• Connect a modulation analyzer to
the antenna connector through an
attenuator, and set it as described in
the "MODULATION BALANCE" above.
OPERATION
: OFF
: 20 kHz
: OFF
: (P–P)/2
: 1.0 kHz
: 40 mVrms
6 - 5
ADJUSTMENT
VALUE
ITEM
25 W [25 W ver.]
[Power (Hi)] 45 W [45 W ver.]
10 W [25 W ver.]
[Power (L2)]
25 W [45 W ver.]
2.5 W [25 W ver.]
[Power (L1)]
4.5 W [45 W ver.]
As flat as possible.
[BAL]
No over or under shoot.
±2.05 to ±2.15 kHz
[MOD N]
±4.05 to ±4.15 kHz
[MOD Ratio]
±3.25 to ±3.35 kHz
[MOD Ratio]
±0.65 to ±0.75 kHz
[CTCSS/DTCS]