Changing the Battery or Cord Set
Note: Replace the battery in less than one minute to retain the contents of the memory.
1. Disconnect the unit from the circuit.
2. Press MONITOR to go to off mode.
3. Loosen the three screws and the cover.
4. Replace the battery or cord set, as shown. Observe polarity. (Red/Black, +/–)
5. Replace the cover and tighten the screws.
Note: Skipping Steps 1 and 2 may cause the unit to malfunction. If the test set does not restart after
changing the battery, disconnect the battery for two minutes. Then proceed with Step 4.
Black Wire
*Green wire shown in diagram is part of the optional PE901 Ground Start Kit.
Cleaning Instructions
Periodically wipe the case with a damp cloth and mild detergent.
*
Green Wire*
Red Wire
PE945 • PE961
–
+
A Positive or Tip (Black)
B Negative or Ring (Red)
C Earth Ground (Green)
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