Casio DT-900 Guide de l'utilisateur télécharger pdf (Page 15)

E-17

Power Supply

The Data Collector has both a main power supply (two AA (LR6)-size alkaline

batteries or a lithium-ion battery pack) and a backup power supply (lithium battery).

In this manual, the words "main battery" refer to both alkaline batteries and the

lithium-ion battery pack.

Low main battery power is indicated when the low voltage message appears on the LCD

screen. Replace the main battery or charge the battery pack as soon as possible after the

low voltage message appears.

[Warning]

■ Note Down Valuable Data

• Never remove both the main battery and backup battery at the same

time. Doing so causes all program settings and data in Data Collector

memory to be lost or changed. Data cannot be recovered once it is lost

or corrupted. Be sure to make back-up copies of all important data.

One way to do this is to use the optional Basic Cradle or Satellite

Cradle to transfer data to a computer.

Important! • Never remove the main battery from the Data Collector while the power

is turned ON. Doing so can cause data in Data Collector memory to be

lost. Before you remove the battery, be sure to turn the Data Collector

OFF.

• Use only AA (LR6)-size alkaline batteries or the specified lithium-ion

battery pack specified for the DT-900.

• The lithium-ion battery pack discharges naturally during the time it

takes to get to you from the factory. Be sure to charge the battery pack

before you use it for the first time.

• Never allow the terminals of the lithium-ion battery to become shorted.

Doing so creates the danger of malfunction. Be sure to keep the

battery pack in its special case when transporting or storing it.

• Repeat charging of the lithium-ion battery pack gradually shortens its

ability to recharge. If you find that a fully charged battery pack

provides only little operation time, it probably means you need a new

battery pack.

• Whenever you do not plan to use the Data Collector for a long time,

load two new alkaline batteries or a fully charged battery pack into the

Data Collector to protect against power failure during non-use. Also,

load new batteries or a fully charged battery pack before using the

Data Collector after a long period of non-use.

• If the battery pack has been left over unused for a long period of time,

the capacity remained decreases due to spontaneous discharge or

chemical decomposition by the battery pack itself. If the battery pack

fails to hold its operating duration after it has been fully charged,

replace it with a new one. The battery pack may reach the end of its

service life.

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Casio DT-900 Guide de l'utilisateur Page 15

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