MAINTENANCE
Battery Installation or Replacement
WARNING BEFORE REPLACING BATTERIES, BE SURE THE
Pro48 IS OFF AND NOT CONNECTED TO A VOLTAGE
SOURCE.
Pro 48 Batteries
Two 9 V (NEDA1604 or 6LR61)
1. Turn the Pro48 off.
2. Disconnect the Pro48 from any power source.
3. Remove the battery cover by pushing in and sliding down.
4. Install two (2) 9 V batteries (observe polarity).
5. Replace the battery cover.
Pro210F Tone Probe Batteries
Four AA (LR6)
1. Remove the screw securing the battery cover and the remove
the cover.
2. Install four (4) AA alkaline batteries, taking care to observe the
polarity markings.
3. Replace and secure the battery cover.
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