Trimmer Adjustment - Icom IC-F410 Service Manual

5-3 TRIMMER ADJUSTMENT

Select an operation using [↑] / [↓] keys, then set specified value using [←] / [→] keys on the connected computer keyboard.
ADJUSTMENT
REFERENCE 1 • Operating frequency: (Ch2)
FREQUENCY [L-band]
[ML-band]
[TXF SET]
[MH-band]
[H-band]
[H-band]
• Power selection
• Transmitting
2 • Transmitting
OUTPUT 1 • Operating frequency: (Ch4)
[L-band]
POWER
[Power (Hi)] [ML-band]
[ML-band]
[MH-band]
[H-band]
• Power selection
• Transmitting
[Power (L2)] 2 • Power selection
• Transmitting
[Power (L1)] 3 • Power selection
• Transmitting
FM DEVIATION 1 • Operating frequency: (CH1)
[L-band]
[MOD N] or
[MOD W] [ML-band]
[ML-band]
[MH-band]
[H-band]
• Power selection
• Connect an audio generator to the
[MIC] jack and set as:
1 kHz / 40 mV
• Set an FM deviation meter as:
HPF
LPF
De-emphasis
Detector
• Transmitting
ADJUSTMENT CONDITION
: 430.00000 MHz
: 470.00000 MHz
: 490.00000 MHz
∏ : 520.00000 MHz
Ò : 512.00000 MHz
: Low1
: 400.00000 MHz
∏ : 440.00000 MHz
Ò : 450.00000 MHz
: 470.00000 MHz
: 490.00000 MHz
: High
: Low2 (Ch3)
: Low1 (Ch1)
: 400.00000 MHz
∏ : 440.00000 MHz
Ò : 450.00000 MHz
: 470.00000 MHz
: 490.00000 MHz
: Low1
: OFF
: 20 kHz
: OFF
: (P–P)/2
MEASUREMENT
UNIT LOCATION
Rear Loosely couple a frequency
panel counter to the antenna connec-
tor.
Rear Connect an RF power meter to
panel the antenna connector.
Rear Connect an FM deviation meter
panel to the antenna
through an attenuator.
5 - 4
VALUE
430.00000 MHz
[L-band]
470.00000 MHz
[ML-band]
490.00000 MHz
[MH-band]
520.00000 MHz
[H-band]
512.00000 MHz
[H-band]
430.00155 MHz
[L-band]
470.00155 MHz
[ML-band]
490.00155 MHz
[MH-band]
520.00155 MHz
[H-band]
512.00155 MHz
[H-band]
35.0 W [LMR]
25.0 W [PMR]
10.0 W [Italy]
20.0 W [LMR]
10.0 W [PMR]
5.0 W [Italy]
3.5 W [LMR]
2.5 W [PMR, Italy]
±4.2 kHz (Wide)
connector ±2.1 kHz (Narrow)
NOTE:
[Wide/Narrow] ver-
sion must adjust
both setting.
∏
Ò
∏
Ò