Chapter iii maintenance – Heath Consultants Sure-Lock All Pro User Manual
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CHAPTER III
MAINTENANCE
BATTERY CHARGING AND REPLACEMENT INSTRUCTIONS
Low Frequency Transmitters
The Sure-Lock low frequency transmitters are equipped with a re- chargeable, 6
VDC, maintenance free, fully sealed lead-acid battery. The instrument includes
a convenient 120 VAC wall mount charger which is capable of fully recharg-
ing the transmitter battery overnight with no danger of overcharging if left on
continuously.
IMPORTANT:
1. Charging Procedure:
a. Turn the transmitter off when using the 120 VAC wall mount char-
ger. If the vehicle source (12 VDC) charger is used, the transmitter
may be either on or off.
b. Plug the 120 VAC charger cable into the BATTERY CHARGER
jack on the transmitter panel.
c. Plug the wall mount charger into a 110-130 VAC 50-60 Hz recep-
tacles.
d. The charge level cannot be accurately gauged with the Battery Test
feature during a charge. The test function is only valid two or more
hours after charging is discontinued.
e. While circumstances may occasionally limit the time generally
available for charging an instrument, charge planning should be
Receiver
readily available and replaceable (HPN 8303311). They are NOT rechargeable.
1. Replacement Instructions:
a. Loosen the screw and remove the battery access door located on
the bottom of the receiver.
**NOTE**
CONTINUOUS FLOAT CHARGING IS IDEAL AND ASSURES MAXIMUM
BATTERY CYCLE LIFE ESPECIALLY WHEN THE BATTERY HAS BEEN
DISCHARGED TO LESS THAN 50%. FOR BEST PERFORMANCE, THE
BATTERY SHOULD BE ATTACHED TO ITS CHARGER WHEN NOT BE-
ING USED.