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EPOCH 4PLUS
2.3 Operating Time for the Battery
The EPOCH 4PLUS operating time on battery power varies depending on the display type
and use conditions. Using a 360 Hz measurement rate allows a minimum of four (4) hours
operation, and a measurement rate of 30 Hz provides up to six (6) hours operation. The
pulser must be set to square wave at 5 MHz, high power settings to achieve maximum
battery operating time. Instrument settings can also affect battery life.
Note: It may initially take several cycles of complete charging and discharging of
the battery to bring the battery to full capacity. This conditioning process is
normal for (NiMH) batteries.
2.4 Replacing the Battery
Warning: The EPOCH 4PLUS Charger/Adapter is designed to charge EPOCH
4PLUS batteries only. DO NOT ATTEMPT TO CHARGE ANY
OTHER BATTERIES.
Doing so may cause an explosion and injury! Do
not attempt to charge other electronic equipment. This will cause
permanent damage.
To replace the battery, follow these steps:
1. Turn the unit over so that the display is face down.
2. Loosen the two screws on the back of the unit at the bottom that secure the battery door
cover.
3. Remove the battery door cover exposing the battery.
4. Slide out the battery from the bottom of the unit.
5. Install the replacement battery by reversing these steps.
Tip: The battery has a notch on one end and fits into the unit only one way.
2.5 Charging the Battery
Note: Charge EPOCH 4PLUS batteries with the EP4/MCA Charger/Adapter only.
There is no on/off or line voltage selector switch. The Charger/Adapter automatically
turns on when AC power is applied. You can charge the EPOCH 4PLUS battery either
internally in the unit or externally using a stand-alone charging base.
To charge the battery internally, follow these steps:
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