Icom IC-M88 SOFTWARE ADJUSTMENT – continued, CONVENIENT:

SOFTWARE ADJUSTMENT – continued

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

•“SQUELCH LEVEL ADJUSTMENT” must be performed after “RX SENSITIVITY ADJUSTMENT” is finished.

•“SQUELCH LEVEL ADJUSTMENT” must be performed when “RX SENSITIVITY ADJUSTMENT” is adjusted.

			ADJUSTMENT CONDITION			MEASUREMENT	VALUE
	ADJUSTMENT
					UNIT	LOCATION
RX		1	• Operating frequency: center frequency		Top	Connect a SINAD meter with an	Minimum distortion
SENSITIVITY			• Channel spacing	: Wide	panel	8 Ω load to the [SP] jack.	level
[BPF T1]–[BPF T4]			• Connect a standard signal generator to
			the antenna connector and set as:
			Level	: 10 µV* (–87 dBm)
			Modulation	: OFF
			Deviation	: ±3.0 kHz
			• Receiving
			CONVENIENT: The BPF T1–BPF T4 can be adjusted automatically.
			1: Set the cursor to “BPF ALL” on the adjustment program and then push [ENTER] key.
			2: The connected PC tunes BPF T1–BPF T4 to peak levels.
				or
			1: Set the cursol to one of BPF T1, T2, T3, or T4 as desired.
			2: Push [ENTER] key to start tuning.
			3: Repeat w-1 and w-2 to perform additional BPF tuning.
SQUELCH		1	• Operating frequency: center frequency		Top	The “SQUELCH LEVEL” adjustment is adjusted by
LEVEL			• Channel spacing	: Wide	panel	“ADJUSTMENT SOFTWARE”, automatically.
[SQL]			• Connect a standard signal generator to
			the antenna connector and set as:
			Level	: 0.56 µV* (–112 dBm)
			Modulation	: 1 kHz
			Deviation	: ±3.0 kHz
			• Receiving

*The output level of the standard signal generator (SSG) is indicated as the SSG’s open circuit.

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