Toshiba DP5000-Series 用户手册

Call Waiting and Camp-on tones are sent to a busy telephone’s speaker to indicate that 
a call is waiting. Call Waiting and Camp-on Tones can be sent, as an option, to the 
telephone handset or headset, in addition to the speaker. Follow these steps to turn 
handset/headset Call Waiting and Camp-on tone On/Off for a DP5000-series 
telephone. The default is Off.

1. Press 

3

+

6

+

9

+

Hold

 (simultaneously).

2. Press 

0

.

3. Press Feature Button 4 (FB4) to toggle On/Off.

FB4, LED On: Call Waiting tone

FB4, LED Off: No Call Waiting tone

4. Press 

Hold

 to set the option.

5. Go off-hook, then on-hook to exit the program mode.

³

1. Press 

3

+

6

+

9

+

Hold

 (simultaneously).

2. Press 

Mode

 soft key.

3. Press 

Msg

 button so that the 

Msg

 LED is On. 

4. Press 

Hold

. This sets the LCD lightness/darkness contrast to the default setting.

5. Go off-hook, then on-hook to exit the program mode.

³

³

Press and hold down the 

Mic

 button while you press and release 

Vol

 

s

 or 

Vol

 

t

 

repeatedly.

Each time you press 

Vol

 

s

 or 

Vol

 

t

, the contrast increases or decreases. There are 

a total of 13 different contrast levels available.