Operation
IPROXX 2
20
74828(c)
4.7 Key functions
4.7.1 Locking the keys
Rotate the turnkey on the back side of the handset in order to lock the key functions.
1
Insert the socket key in the turnkey lock.
2
Turn the key until the arrow on the turnkey lock is pointing towards (as shown in the illustra-
tions on pages 17, 18 and 19). The function and movement buttons on the handset are now com-
pletely locked and disabled.
3
You can verify that the functions are disabled by pressing on a button.
CAUTION
Press on a movement button in order to double check that the functions are locked
and disabled. If there is still a resulting motion despite the block, then the handset
should be replaced.
4.7.2 Unlocking the keys (for the IPROXX 2/SM, SM+ and SMP(
Bluetooth
®
) models)
Rotate the turnkey on the back side of the handset in order to unlock the key functions.
1
Insert the socket key in the turnkey lock.
2
Turn the key until the arrow on the turnkey lock is pointing towards (as shown in the illustra-
tions on pages 17, 18 and 19).
3
The function and movement buttons on the handset are now enabled.
4.7.3 Unlocking functions for the patient (for the IPROXX 2/SM+ and SMP(
Bluetooth
®
) models)
For the handset models IPROXX 2/SM+ and SMP, it is possible to enable some of the operating
functions for the patient.
1
Insert the socket key in the turnkey lock.
2
Turn the key until the arrow on the turnkey lock is pointing towards
(as shown in the illus-
trations on pages 18 and 19).
3
The function and travel keys on the handset are now partially enabled.