Furuno 841 MARK-2 manual Closing the Installation Menus, Press the Menu key and turn off the power

1)Transmit the radar on the shortest range and adjust the sensitivity and STC.

2)Visually select a straight echo (harbor wall, straight pier).

3)Display the Installation Setup 2 menu and select Adjust Sweep Timing.

5)While looking at the target selected at step 2, press cursor pad at the 9 o’clock or 3 o’clock position to straighten the target.

6)Press the [ENT] key.

5.9Closing the Installation Menus

Press the [MENU] key and turn off the power.

Table 5-1 Voltage ratings (reference for installer)

Item	MODEL 841 M2		Remarks
Magnetron current	TP802 #5	0.9-1.1V	Tx, long range
Magnetron heater	TP802 #4	7.4-7.6V	Stand-by
voltage
HV	TP802 #1	290-330V	Tx, long range

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