Casella CEL CEL-62X - Manual (Page 6)

Casella CEL Limited 6
BATTERY INSTALLATION (Refer to Figure 2)
CAUTION: The batteries can be zinc carbon, alkaline or rechargeable. Do not
mix battery types.
The CEL-62X Instrument requires three AA batteries. Remove the battery
compartment cover. Check correct polarity. Fit the batteries. Refit the battery cover.
Press and release the ON/OFF Key. Check the battery condition symbol shows the
battery has a good charge.
Note: For long term tests, where the batteries may become exhausted, use a 12VDC
supply to power the CEL-62X. The 12VDC can be plugged in at any time and will be
automatically used instead of the batteries. When downloading data to a PC the
CEL-62X can be powered by the USB connection. The 12VDC or USB connection
will not re-charge batteries. With 12VDC or USB connected the battery condition
symbol will show full charge and not the actual condition of any installed batteries.
To extend battery life, if the CEL-62X is not making a measurement run and there are
no key presses, the instrument will automatically turn off after a period of 5 minutes.
This auto power off facility is disabled when the CEL-62X is powered from 12VDC or
USB. The auto power off facility is independent of the backlight time settings – see
paragraph E – Set Backlight below.
Figure 2 Battery Charge Indicator and Battery Installation.
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