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WHILE RECHARGING THE BATTERY AND THE SAFETY
VENTS ARE OPEN, THE UNIT MUST BE KEPT AWAY
FROM WATER AND OCEAN SPRAY. FAILURE TO KEEP
THE UNIT FREE FROM WATER MAY CAUSE INJURY OR
LED BATTERY CONDITION INDICATOR
Charge Remaining
100%
80%
60%
40%
25%
At startup, if the LED is solid red, the battery is no longer holding a
charge and must be replaced.
3.1.1
To charge the MK-III using AC power, connect the supplied charger/
maintainer AC power cable to the Charger/Maintainer input (Fig 1, #14).
Connect the Charger/Maintainer power plug to an AC power outlet that
supplies 90–240 volts at 50/60 Hz.
Safety Precautions:
While charging the battery it is very important to open the 2 safety vents.
Allow at least 20 minutes after charging for any gasses to dissipate before
returning the unit to its operating position and closing the ventilation valve
(by rotating fully clockwise to prevent water entry).
A fully depleted battery can be recharged completely in about 3–5 hours.
While the battery is being charged and its voltage is below maximum, the
charge indicator LED located on the RCS-20US will illuminate red in color.
When the battery has been completely recharged, the charger will enter
trickle-charge mode to maintain maximum battery voltage and the charger
LED will illuminate green.
506279-000
DANGER
BATTERY CHARGING
DEATH
LED
3 Green
2 Green
1 Green
Yellow
Red
10
Audio Tone
No Tone
No Tone
No Tone
1 beep / 1minute
2 beep / 30 second
REV. A
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