Software Adjustment - Icom IC-F3GT Service Manual

5-3 SOFTWARE ADJUSTMENT

Select an operation using [ ] / [ ] keys, then set specified value using [ ] / [ ] keys on the connected computer keyboard.
ADJUSTMENT
REFERENCE 1 • Operating frequency:
FREQUENCY
[TXF]
• High/Low switch
• Connect the RF power meter or 50 Ω
dummy load to the antenna connector.
• Transmitting
OUTPUT 1 • Operating frequency:
POWER 415.000 MHz [EUR] of
[POWER(LO)] 430.000 MHz [OTHER] of
455.000 MHz [EUR] of
470.000 MHz [OTHER] of
500.000 MHz
512.000 MHz
520.000 MHz
• High/Low switch
• Transmitting
[POWER(HI)] 2 • High/Low switch
• Transmitting
FM 1 • Operating frequency:
DEVIATION
[MOD]
• High/Low switch
• Connect the audio generator to the
[MIC] jack and set as:
• Set the FM deviation meter as:
HPF
LPF
De-emphasis
Detector
• Transmitting
DTCS WAVE 1 • Operating frequency:
FORM
[DTCS BAL]
• High/Low switch
• No audio applied to the [MIC] jack.
• DTCS code
• Transmitting
* 1, * 2 W/N-type must be adjusted both *
A B
: 400–430 MHz
ˆ „
: N-type
ADJUSTMENT CONDITION
A
400.000 MHz
440.000 MHz B
C
470.000 MHz
D
490.000 MHz
: Low
A
A
B
B
C
D
E
: Low
: High
A
400.000 MHz
B
440.000 MHz
470.000 MHz C
D
490.000 MHz
: Low
1.0 kHz/150 mVrms
: OFF
: 20 kHz
: OFF
: (P–P)/2
A
430.000 MHz
470.000 MHz B
C
500.000 MHz
512.000 MHz D
E
520.000 MHz
: Low
: 007
1 and * 2 on the FM DEVIATION ADJUSTMENT.
C
: 440–470 MHz : 470–500 MHz
˜
: W-type : M-type
MEASUREMENT
UNIT
Top Loosely couple a frequnecy
panel counter to the antenna connec-
tor.
E
,
Top Connect an RF power meter to
panel the antenna connector.
Top Connect an FM deviation meter
panel to the
through the attenuator.
E
,
Top Connect an FM deviation meter
panel with an oscilloscope to the
antenna connector through an
attenuator.
D
: 490–512 MHz
5 - 6
LOCATION
400.0000 MHz
440.0000 MHz
470.0000 MHz
490.0000 MHz
antenna connector
±1.95 kHz*
Set to flat wave
form
E
: 490–520 MHz
VALUE
A
B
C
D E
,
1.0 W
4.0 W
1 „
±3.9 kHz*
±3.2 kHz ˜
2 ˆ