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9-Volt Alkaline Battery Replacement
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The QUESTempº 48N uses a 9-volt alkaline battery. A door on the back of the
instrument allows the user access to the 9-volt battery.
The 2-position switch located in the battery compartment is
set by the user to the 9-volt battery.
Figure 1-31: 9-volt battery
9-Volt Alkaline Battery Replacement
WARNING:
Replace batteries only in a non-hazardous environment.
The 9-volt battery should be replaced should be recharged when the voltage drops
below 6.4 volts. The battery voltage is displayed when the instrument is turned on.
While turned on, the battery voltage can be displayed at any time by pressing the up or
down arrow keys to move through the display until the battery voltage screen appears.
If, while operating, the battery voltage drops below 6.4 volts, the display will
automatically switch to the display showing the battery voltage along with a low battery
message. After a low battery occurs, the unit will continue to operate for
approximately 8 hours. When the battery voltage falls to 6.2 volts or below, the unit
will automatically turn off.
Replace only with an approved 9-volt alkaline battery.
Approved 9-Volt Batteries
Eveready: Energizer 522, EN22, 6LR61
Duracell: MN1604
Panasonic: 6LR61, 6AM6X
Rayovac: A1604
UltraLife: U9V
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