User guide

Operate the main features on the M3901

Lift the handset. The Line (DN) Key

selects automatically.

2. Dial the telephone number.

Volume Control Bar

Raise or lower the volume on the

ringer or handset:

To adjust the ring or handset volume, press

the Volume Control Bar rocker up or

down.

To adjust the ring volume:

down up

Press the Volume Control Bar up or down

while the telephone is ringing.

To adjust the handset volume (voice

or dial tone):

down up

Press the Volume Control Bar up or down

when you can hear sound coming from the

handset.

Features Key

To activate a feature:



Press the Features Key plus a dial pad

number key for that feature.

Use a programmed feature or an Auto Dial (M3901)

Your system administrator configures five features for your telephone.

To access a feature requires you to press the / Key and a dial pad

number key

for that feature. You have 30 seconds to press the Feature Key and

enter the key pad number for the feature or the process ends. Press the

/ Key and the

££

£Key to turn an active feature off.

To activate Features:

1. Press the Features Key.

Features