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BATTERY REPLACEMENT
This meter uses six AA (1.5V, UM3) batteries. When
the low battery indicator appears on the LCD, battery
replacement is needed. After the icon appears on the LCD,
in-spec measurement can still be made for several hours
before becoming inaccurate.
1. Press and hold POWER for 2 seconds to turn the
meter off.
2. Unscrew the battery cover and remove from the meter.
3. Remove the old batteries and replace with six
new AA batteries, ensuring correct polarity.
4. Replace the battery cover. Tighten the screws
on the battery cover to secure to the meter.
TROUBLESHOOTING
If the meter is not functioning properly during use (i.e.
the system is frozen and the keypad is non-operational),
reset the meter:
1. Use a small tool (such as a disassembled paperclip or
a pin) to press the RESET button (located on the right
side of the meter under the protective black cover).
2. Press POWER to turn the meter on.