Humminbird 531871-1_A Switch User Manual


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© 2011 Humminbird®, Eufaula AL, USA.
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Unit Switch
4
531871-1_A
4. Switching Between Units
Perform the following procedures to alternate between the control heads connected to your Unit Switch:
1. Make sure both control heads are powered on.
2. Press the Unit Switch to engage the desired control head.
5. Powering Off
It is important to make sure all accessories (switches, control heads, etc.) are powered off in order to avoid possibly
draining the battery. To make sure your Unit Switch is disengaged, follow the steps below.
If your Unit Switch is connected to the fuse panel,
1. Power off your boat to disengage the switch.
If your Unit Switch is connected to a battery switch,
1. Turn the dial of the battery switch to the OFF position.
If your Unit Switch is connected directly to a battery,
1. Power off your boat.
2. Remove the Unit Switch wires from the battery.
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