Comark N9002 User Manual download pdf (Page 11)

9.0 CHANGING THE BATTERIES

The symbol BAT ashes on the display as soon as the battery

voltage drops to an initial warning level. During this rst level

of low battery the instrument can be operated normally, but it is

recommended that the battery be replaced as soon as possible.

If the battery is allowed to discharge further there is a second

level of low battery, which is indicated by the symbol remaining

on and not ashing. Replace the battery straight away after

seeing this symbol.

To replace the battery: Make sure the instrument is off,

unscrew the screw retaining the battery cover on the rear of

the instrument using the correct size at-blade screwdriver.

Remove the two cells and replace with new alkaline cells to

ensure long life. Be careful to observe the correct polarity. Take

care not to over-tighten the screw when re-tting the cover, and

not to lose the rubber-sealing washer.

Note: The N9002 thermometer will continue to keep correct

date & time for at least 30 seconds after removal of cells. If this

time is exceeded setup may be necessary.

Note: NiCd or NiMh cells can be used but will result in reduced

operating time. Do not attempt to recharge the cells in the

instrument.

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Comark N9002 User Manual Page 11