Installing A Headset; Using An Optional Headset; Locking The Keypad - NEC ML440 User Manual

Handset

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3-6

Using Common Features

Figure 3-1 Installing a Headset

NOTE

You can use a standard 2.5 mm telephone headset with your handset.

To install a headset, remove the headset jack cover and insert the

headset plug into the jack

Make and receive calls as usual, and plug in your headset to talk to the

caller after the call connects.

When you connect a headset, the handset automatically mutes the

earpiece and speaker. To re-activate the earpiece, just unplug the

headset. To switch to speaker handset, press Speaker.

While the keys are locked, you will not be able to use any handset functions that

require a key press, including making and receiving calls. You can still dial

emergency numbers (911) while the keys are locked.

Follow the steps below to lock the keypad.

From the main menu screen, select the Settings icon.

Step 1

On the Settings screen, select Security, then select Automatic keylock.

Step 2

Select the amount of time (from 15 seconds to 5 minutes) you want the

Step 3

handset to wait before it locks the keypad, or select Off to have the

handset never lock the keypad.

If the handset is idle for the amount of time you selected, it locks the

keys. To unlock the keypad, press Select followed by *. The keypad will

remain unlocked until it remains inactive for the amount time selected

above.

(Figure

3-1).

ML440 End User Guide - Revision 1

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