74 Preparing KIRK Handset for Use
14117800, Ed.2.6
6.6.1 Retrieving Serial Number on KIRK 3040 Handsets
1Press down the back cover and push it 5 mm towards the headset plug.
Figure 9 Remove Back Cover from Handset
2Lift off back cover.
3Lift the battery and read the serial number.
4Replace battery and back cover.
Note: To show 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
1Use a screwdriver to unscrew the plate on the rear of the handset to access the battery
compartment.
Warning: The plate on the rear of the 4080 Handset must not be removed in a potentially
explosive atmosphere.
2Insert the screwdriver into the small crack behind the blind cover and press to open
the handset.