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74 Preparing KIRK Handset for Use
14117800, Ed.2.6
6.6.1 Retrieving Serial Number on KIRK 3040 Handsets
1 Press down the back cover and push it 5 mm towards the headset plug.
Figure 9 Remove Back Cover from Handset
2 Lift off back cover.
3 Lift
the battery and read the serial number.
4 Replace batter
y and back cover.
Note: To s
how the serial number on the handset display, press *99984*, and then press
3; the serial number appears on the handset display. Press < for 5 seconds to exit the
menu.
6.6.2 Retrieving Serial Number on KIRK 4020/KIRK 4040/KIRK 4080 Handsets
1 Use a screwdriver to unscrew the plate on the rear of the handset to access the battery
compartment.
Warning: Th
e plate on the rear of the 4080 Handset must not be removed in a potentially
explosive atmosphere.
2 In
sert the screwdriver into the small crack behind the blind cover and press to open
the handset.