Furuno CH-37 manual LEDs in the display unit con’t

Table 3-2 LEDs in the display unit (con’t)

				Off: Á Flickering: ' Lighting: o
PCB		LED		Remarks
	No.	Signal	Status
	CR4	L CONT	Á	Off except when transducer is being lowered.
	CR7	TR CLK	'	Flickers while transducer is being trained; off while
				transducer is stopped.
	CR9	TI CLK	'	Flickers while TILT lever is pressed; off while TILT
				lever is released.
	CR12	TR 0°	'	Lights momentarily when is trained to 0° direction.
SNR Board
	CR14	TR 180°	'	Lights momentarily when is trained to 180° direction.
06P0228
	CR16	TI +10°	Á	Lights momentarily when transducer tilt angle is +10°
				or 90°. See * below.
	CR17	TI 190°	Á	Lights momentarily when transducer tilt angle is +90°
				or 190°. See * below.
	CR20	HULL	o	Lights while ship's mains is supplied to hull unit.
	CR21	KP	'	Flickers during transmission.
	CR21	+5V	o
	CR22	+12V	o
	CR25	IN HL	Á	Lights when overvoltage protector operates.
PWR Board
	CR26	+115V	o	Power supply for color monitor
06P0229
	CR27	-12V	Á	Lights momentarily when overvoltage protector for
				-12V line operates.
	CR30	5V	Á	Lights momentarily when overvoltage protector for 5V
				line operates.

* In normal operation there is no tilt angle of 190° or +10°.

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