
7
500XP • 500FP
Identification
1. Battery Compartment
2. Headset Connection
2
3
1
4
5
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.
3. ON/OFF and
–
Button
4.
+
Button and LEDs
5. Replaceable Tip