CAUTION
RADAR PLOTTER
MDP-621/641/640
1. When POB is active, Soft Key Menu does not appear by pressing GOTO Key
and WAYPOINT cannot be set.
To cancel POB, the following action is required. Turning the power off does not
cancel POB.
(1) Press POB Key.
(2) Soft Key Menu appears.
(3) Press the Soft Key assigned for POB CANCEL.
2. Pressing DELETE Key to erase any MARK will completely eliminate the des-
ignated MARK. The MARK cannot be retrieved once it is erased.
Additional Notice on Fish Finder Processor Unit CVB-20
1. Power Switch:
CVB-20 does not have an independent power switch.
Power is always on while it is plugged to the power source.
CVB-20’s power is not off even if the main display unit is off.
We recommend to using the switch on the distributor or connecting with a
separate switch to put the power off when the CVB-20 is not in operation.
2. Starting Fish Finder Operation:
Fish finder operation starts and its display appears at 30 seconds after both the CVB-20
and display unit are turned on.
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MDP-621/641/640 OPERATION MANUAL – 06