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12. To extend the battery's lifespan:
a. Avoid draining the battery all the way to 0%. Even though the unit can handle a few more
dives even when the LED Indicator starts rapidly flashing blue, it is best to connect the
unit to a charger at this point.
b. During long periods of storage, the unit should be stored partially charged in a cool and
dry area.
Performing a Pre-Dive Check
1. Prior to closing the housing, turn the unit on using the power switch on the Signal Board. The
switch should be pushed leftwards in order for the unit to be turned on. Make sure the unit is
properly charged and that the LED indicator flashes slowly (approx. 1 flash per second).
2. Lock the housing and all other accessories which their installation might have an effect on the
watertight seal of the housing. Camera should be turned off prior to the pre-dive check.
Important Notice
3. Remove
the protective cap from the Vacuum Valve by gently turning it counterclockwise
and screwing it out.
Make sure you're only removing the protective cap when turning it, rather than the complete valve. If
the valve screws out together with its protective cap, use the Multi purpose key included to remove the
cap from the valve (image #16).
Image #16
The housing should be completely set up for the dive prior to performing the vacuum pre-
dive check. Any modifications carried out on the housing after the pre-dive test has been
completed necessarily turn the check results irrelevant and require performing an
additional pre-dive check.
The check should be carried out in a temperature controlled and shaded environment as
extreme temperatures may cause a vacuum check failure.
24
FG7X III S Housing Instruction Manual 20220601
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