Icom IC-F3GS, IC-F3GT service manual Powerlo

5-3 SOFTWARE ADJUSTMENT

Select an operation using [↑] / [↓] keys, then set specified value using [←] / [→] keys on the connected computer keyboard.

ADJUSTMENT		ADJUSTMENT CONDITION			MEASUREMENT	VALUE
				UNIT	LOCATION
REFERENCE	1	• Operating frequency:		Top	Loosely couple a frequnecy	400.0000 MHz A
FREQUENCY		400.000	MHz A	panel	counter to the antenna connec-	440.0000 MHz B
[TXF]		440.000	MHz B		tor.	470.0000 MHz C
		470.000	MHz C			490.0000 MHz D, E
		490.000	MHz D, E
		• High/Low switch : Low

•Connect the RF power meter or 50 Ω dummy load to the antenna connector.

•Transmitting

OUTPUT	1	• Operating frequency:				Top	Connect an RF power meter to	1.0 W
POWER		415.000	MHz [EUR] of A			panel	the antenna connector.
[POWER(LO)]		430.000	MHz [OTHER] of A
		455.000	MHz [EUR] of B
		470.000	MHz [OTHER] of B
		500.000	MHz C
		512.000	MHz D
		520.000	MHz E
		• High/Low switch		: Low
		• Transmitting
[POWER(HI)]	2	• High/Low switch		: High				4.0 W
		• Transmitting
FM	1	• Operating frequency:				Top	Connect an FM deviation meter	±3.9 kHz*1	„
DEVIATION			400.000		MHz A	panel to the antenna connector		±3.2 kHz ˜
[MOD]			440.000		MHz B		through the attenuator.	±1.95 kHz*2	ˆ
			470.000		MHz C
			490.000		MHz D, E
		• High/Low switch		: Low

•Connect the audio generator to the [MIC] jack and set as:

1.0kHz/150 mVrms

•Set the FM deviation meter as:

	HPF		: OFF
	LPF		: 20 kHz
	De-emphasis		: OFF
	Detector		: (P–P)/2
	• Transmitting
DTCS WAVE	1 • Operating frequency:			Top Connect an FM deviation meter	Set to flat wave
FORM		430.000 MHz A		panel with an oscilloscope to the	form
[DTCS BAL]		470.000 MHz B		antenna connector through an
		500.000 MHz C		attenuator.
		512.000 MHz D
		520.000 MHz E
	• High/Low switch		: Low
	• No audio applied to the [MIC] jack.
	• DTCS code	: 007
	• Transmitting

*1, *2W/N-type must be adjusted both *1 and *2 on the FM DEVIATION ADJUSTMENT.
A: 400–430 MHz	B: 440–470 MHz	C: 470–500 MHz	D: 490–512 MHz	E: 490–520 MHz
ˆ: N-type	„: W-type	˜: M-type

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