Identification
2
1. Battery Compartment
2. Headset Connection
Installing the Battery
Only open the battery cover in clean and dry conditions; the
battery terminals may be contaminated or corrode if dirt and
moisture are present.
1. Loosen the two captive screws.
2. Observing polarity, install a new alkaline 9 V battery. Check
that the seal is clean and in place around the battery
compartment.
3. Replace the cover and finger-tighten the two screws, being
careful not to cross-thread them.
1
3
4
3. ON/OFF and – Button
4. + Button
5. Replaceable Tip
500XP
5
7