IBM 4 LINE TELEPHONE WITH CALLER ID -412CID - Manual (Page 20)

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2. Press [5].
3. Press a digit X where X is for line numbers 1-4.
4. Press [0], [1] 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:
1. Press [STORE].
2. Press [2].
3. Press a digit X where X is for lines 1-4
4. Press [0], [1] for ON or [0], [0] for OFF.
5. Press [MUTE].
6. A short ring will be heard to signal successful programming.
NOTE: The default value is ON for all 4 lines.
ADJUSTING VOLUME LEVELS
Adjusting Ringer Volume
There are 3 levels of volume adjustment (low, middle, and high) for the ringer.
1. 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 low level.
Adjusting Speakerphone Volume
1. Press the [SPKR] key.
2. Press the [VOLUME] key up or down to the desired volume level.
NOTE: The default level is the 12th (out of 16) level. A short ring will be heard when the volume is set at the
maximum or minimum level.
Adjusting Handset and Headset Volume
There are 3 volume levels (low, middle, high). As the handset or headset is in use, adjust the volume by
pressing the [VOLUME] key up or down to the desired volume level.
NOTE: The default level is the middle level. A short ring will be heard when the volume is set at the maximum or
minimum level.