AudioCodes 405HD, Administrator'S Manual, Page: 143 / 242

Administrator's Manual 6. Configuring Phone Settings
Version 3.4.3 143 400HD Series IP Phones
6.6 Configuring Phone Screen Settings
This section shows how to configure phone screen settings.

To configure phone screen settings:
• Use the tables below as reference.
Table 6-13: Contrast Parameters – 405HD / 430HD / 440HD
personal_settings/lcd_contrast Determines the phone screen
contrast.
405HD / 430HD / 440HD: Range: 55-
90. Default: 27.
personal_settings/enhanced_lcd_contrast [430HD / 440HD] Determines the
phone screen contrast. Range: 285-
325. Default: 305.
personal_settings/blf_lcd_contrast
[430HD / 440HD) Determines BLF
screen contrast. Configure to a level
that is comfortable for the user.
Range: 100-200. Default: 140.
Table 6-14: Brightness Parameters - 445HD / 450HD / C450HD
Parameter Description
personal_settings/lcd_active_mode_brightness Configures the brightness of the
screen when its in 'active mode',
which is - for example - after a
calendar reminder pops up, or when a
call comes in, or after you press a key
on the dialpad, etc.
•
LOW
•
MEDIUM
•
HIGH (default)
personal_settings/lcd_active_mode_brightness_high Configures the HIGH level of
brightness when the screen is in
'active mode'. Minimum: 0. Maximum:
31 (default).
personal_settings/lcd_active_mode_brightness_low Configures the LOW level of
brightness when the screen is in
'active mode'. Minimum: 0. Maximum:
31. Default: 3.
personal_settings/lcd_active_mode_brightness_medium
Configures the MEDIUM level of
brightness when the screen is in
'active mode'. Minimum: 0. Maximum:
31. Default: 20.
personal_settings/lcd_active_mode_timeout Defines the timeout of 'active mode',
in minutes. If the timeout expires, the
screen changes to 'dimmer mode'
(see the next parameter).
Either: 15 (default), 30, 45 or 60
minutes.