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1.1
Changing the ringing tone of CO buttons / Intercom calls
There are eight ringer frequencies available for each CO (Group-CO, Loop-CO, Single-CO)
button and INTERCOM button. If you wish to change them, refer to the "Ringing Tone
Selection for CO Buttons" or "Ringing Tone Selection for Intercom Button" in Station
Programming (Section 2).
Volume Control — Handset Receiver/Headset/Ringer/Speaker
Allows you to adjust the following volumes as required.
— Handset Receiver volume (levels 1 through 4)
— Headset volume (levels 1 through 4)
— Ringer volume (levels 0 through 3)
— Speaker volume (levels 1 through 12)
If your digital proprietary telephone is provided with a display (display DPT), the volume level
is indicated on the display by the number of asterisks. For ringer volume adjustment, three
levels (OFF/LOW/HIGH) are available with the KX-T7425 and KX-T7450.
To adjust the handset receiver volume
1
2
To adjust the headset volume
1
SP-PHONE
2
16
Configuration
1. Lift the handset.
2. Rotate the Jog Dial in the desired direction.
• The display shows:
<Example>
Handset: ***
• You may also adjust the handset receiver volume during a
conversation using the handset receiver.
Be sure the headset is connected.
1. Press the SP-PHONE button.
2. Rotate the Jog Dial in the desired direction.
• The display shows:
<Example>
Headset: ***
(— volume level 3)
(— volume level 3)
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