Toshiba IPedge IP Telephone 用户手册

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页码 238
IPedge
The Basics
20
TOSHIBA
IPedge UG    06/11
LCD Contrast
Available on backlit telephones and backlit add-on module.
To adjust the LCD contrast on the backlit telephones
1. Press and hold down the 
Mic button.
2. Press and release 
Vol
 
 or 
Vol
 
 repeatedly.
Note:
Holding the Vol button does not continue to change the setting. The 
button must be pressed for each step of contrast change.
To adjust the LCD contrast on the Add-on Module
1. Press 
Hold+3+6+9 (simultaneously).
2. Press 
Contrast + 
button to increase contrast.
3. Press 
Contrast - 
button to decrease contrast.
4. Lift the handset off-hook / on-hook to save settings.
Note:
Holding the softkey does not continue to change the setting. The 
softkey must be pressed for each step of contrast change
Brightness Control
Available on backlit telephones with 4-line LCD’s and backlit add-on module.
To change the LCD back light brightness
1. Press 
Hold+3+6+9 (simultaneously).
2. Press 
Bright
 softkey to increase brightness. 
3. Press 
Dim
 softkey to decrease brightness.
4. Lift the handset off-hook / on-hook to save the settings.
Note:
Use the 
BL BRIGHT
 and 
BL DIM
 buttons in steps 2 and 3 on the 10 
button LCD Add-on Module.
To change the LCD backlight brightness for IP5131-SDL or 
IP5631-SDL
1. Press 
Hold+3+6+9 (simultaneously).
2. Press the 
Others
 softkey.
3. Press the 
BL Bright
 softkey.
4. Enter a value of 0~3 using the dialpad. (0 = dim; 3 = brightest)
5. Press the 
Set
 softkey twice.