NEC Dterm DTZ-8R-1, Owner'S Manual, Page: 74 / 96

Issue 1.0
7-10 Handset Feature Settings
3.2.5 Key Lock Settings
This menu item allows you to enable/disable the handset Key Lock function.
To enable/disable the Key Lock function:
1.
Use up/down arrow to access On (to enable) or Off (to disable).
2. Press Select .
If the Key Lock function is enabled while the handset is in Standby mode,
the keys are locked after 15 seconds elapse. You can temporarily unlock
the keys for handset operation.
To unlock the keys:
1.
Press and hold

for two seconds.
Enable/Disable Key Lock:
Keys available for key lock settings include:

Default = Off.
On = Enable Key Lock function
Off = Disable Key Lock function
To select settings:
up (
▲
) / down (
▼
) - accesses the next
setting in the list (forward/backward).
Select key - selects the desired setting and
stores the selection. A confirmation tone is
emitted. The previous screen (setting list) is
displayed.
Temporarily Unlock Keys:
Keys available when unlocking the keys
include:

key - unlocks the keys until the handset
is inactive for more than 15 seconds.
When you receive an incoming call, the Key
Lock function is disabled for the duration of
the call.