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6-2
Battery Maintenance and Charging
Depending on use, the life of the batteries in the UDB-9000 is typically two to
five years. To prolong their life when storing of the UDB-9000, the deck box
should be stored at a temperature of 50°F (10° C) or less. The batteries
should also be charged when not in use. If stored for a long period in a
discharged state, they may no longer be able to be charged. Therefore, when
not in use, it is important that they be charged every six to nine months or
sooner. When in use, they should be charged six to eight hours before and
after service. The batteries automatically charge when the deck box is
connected to power.
Replacing the Batteries
The UDB-9000 includes two rechargeable 12 VDC batteries. One is located
just under the right side of the front panel, and the other on the left side. Both
batteries are secured to an electronics chassis with removable battery
brackets. A Phillips screw driver is the only tool required to replace the
batteries.
To replace the batteries:
1. Remove the 10 front
panel screws as shown
in Figure 6-1.
User's Manual
Figure 6-1 Removing the Front Panel
Screws
TELEDYNE BENTHOS
FRONT PANEL
SCREW (10)
P/N M-270-10, Rev. B
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