Retrotec DM-2A Manual de usuario descargar pdf (Pagina 46)

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©Retrotec Inc. 2012

7.1 DM-2 Rechargeable Battery Problems

The DM-2 is designed to recharge NiMH batteries in the gauge, eliminating the need to purchase a

stand-alone battery charger. The charging cycle is designed to fully discharge batteries before

recharging them. This can cause problems if the DM-2 is connected to a power plug for only brief

periods of time.

If the gauge exhibits any of the following conditions, it may be a problem with the rechargeable

batteries:

 Short battery life

 Will not turn on

 Keys will not respond

 Loss of power during test

The solution is to reset gauge and charge the batteries, or switch to non-

rechargeable batteries.

To charge the batteries:

1. Connect the AC power supply if rechargeable NiMH batteries are already installed.

2. Press the reset button on the back of the DM-2. The gauge turns on.

Note: DM-2's that have firmware prior to version 2.28 will not have a reset

button. To reset the gauge, remove all power connections, and the batteries,

and wait at least 5 minutes. Then re-install the batteries and reconnect the

charger.

3. Press [Exit] to show the main screen.

4. Display indicates batteries are charging.

5. Charge for at least 8 hours, or until battery icon stops moving.

Problems can be avoided by taking a few simple steps.

 Leave DM-2 disconnected from a power supply until the batteries are

depleted to one quarter power or less.

 Do not short-charge batteries by interrupting a charge in progress.

 Replace batteries with new AA NiMH batteries after 2 years.

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Retrotec DM-2A Manual de usuario Pagina 46