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OPERATION AND CONTROLS
12
• AVOID DEEP DISCHARGE
Recharge the batteries after each use. The
two-step fast-charge / trickle-charge
operation of the SR560 allows the charger
to be left on indefinitely. ALWAYS recharge
the batteries immediately after the BATT
indicator LED on the SR560 turns red.
Built-in protection circuitry in the unit
removes the batteries from the load once a
dead-battery condition is detected.
Avoiding deep discharge will provide the
longest battery life - upwards of 1,000
charge / discharge cycles.
• AVOID TEMPERATURE EXTREMES
When using battery power, operate the
SR560 at or near room temperature.
Operating at lower temperatures will reduce
the capacity of the batteries. As well, more
time will be required to recharge the
batteries to their rated capacity. Higher
temperatures accelerate the rate of
reactions within the cell, reducing cell life.
• KEEP THE BATTERIES COOL
When not in use, the SR560 should be
stored in a cool, dry place with the batteries
fully charged. This reduces the self-
discharge of the batteries and ensures that
the unit will be ready for use when called
upon. A SR560 in storage should be
"topped off" every three months with an
overnight charge to maintain its batteries in
peak condition.
Warning regarding battery maintenance
Batteries used in this instrument are seal
lead acid batteries. With usage and time
these batteries can leak. Always use and
store this instrument in the feet-down
position. To prevent possible damage to the
circuitboard, it is recommended that the
batteries be periodically inspected for any
signs of leakage.