IBM -4900 Manuel D’Utilisation

2. Press

3. Press a digit X where X is for line numbers I-4.

4. Press [0], [I] for ON, or [0], [0] for OFF.

5. Press [MUTE].

6. A short ring will be heard to signal successful programming.

PROGRAMMING RINGER ON/OFF

The ringer may be turned OFF and ON for incoming calls on a line-by-line basis. To set the ringer value

for an individual phone line:

I. Press [STORE].

2. Press

3. Press a digit X where X is for lines I-4

4. Press [0],

for ON or

[0] for OFF.

5. Press [MUTE].

6. A short ring will be heard to signal successful programming.

NOTE: The default value is ON

4 lines.

ADJUSTING VOLUME LEVELS

Adjusting Ringer Volume

There are 3 levels of volume adjustment (low, middle, and high) for the ringer. To adjust the volume,

press the [VOLUME] key (beneath the dial keys) up or down when receiving a call or when the phone is
idle.

NOTE: The default level is the

Adjusting Speakerphone Volume

There are I6 volume levels for the speakerphone. To adjust first press the [SPKR] key, then press the

VOLUME] key up or down to a desired volume level. A short ring will be heard when the volume is

set at the maximum or minimum level.

Adjusting Handset and Headset Volume

While using the handset (or headset) the volume may be adjusted by pressing the handset

key repeatedly until the desired level is reached. There are 3 levels (low, middle, high). After reaching

the highest level, the handset volume will cycle to the low setting if the [VOLUME] key is pressed

again.