Operation Manual
Table Of Contents
- Copyright
- Warranty
- Declaration of conformity
- Safety instructions
- Disposal of the product
- Hardware Components
- User Interfaces
- User and Administrator Mode
- Documentation
- Phone Installation
- Phone Initialization
- Registration
- Idle Screen
- Phone User Interface
- Web User Interface
- General Configuration Tasks
- Display Configuration Tasks
- Audio Configuration Tasks
- SIP Identity Configuration Tasks
- Function Key Configuration Tasks
- Maintenance Tasks
- Outgoing Calls
- Extension (SIP identity) for Outgoing Calls
- Making Calls
- Auto Completion (Number Guessing)
- Call Completion
- Call Termination
- Redial
- Call Indication
- Accepting Incoming Calls
- Call Waiting
- Denying Incoming Calls
- Denying Incoming Calls Automatically
- DND (Do Not Disturb) Mode
- Call Forwarding
- Audio Operation Modes
- Mute / Unmute
- Multiple Speaker Mode
- Hold and Resume
- Call Transfer
- Conference
- Call Recording
- Logoff All Users (Extensions/SIP Identities)
- Logon New User (Extension/SIP Identity)
- Access
- Access
- Availability
- Access
- Changing the Presence State
- Contact Presence
- Acoustical Indication
- Visual Indication
- Retrieve New Messages
- Busy Lamp Field (BLF) feature
- “Calls” List
- Call Pickup
User Manual - English
30
Display Configuration Tasks
Display Contrast
You can adjust your phone’s display contrast.
Action: Change the display contrast:
ip810c ip820c ip830c ip840c
Enter the settings menu (see page 24) and navigate through the menu (see page
21) until the following screen is displayed:
³
General Settings
´
Contrast
1 Contrast
2 …
1 Contrast
2 …
Press
Contrast
S1
Press
Ok
The “Display Contrast” bar is shown on the display:
Display Contrast:
■■■■■■■■■_ _ _ _ _ _
— Display Contrast —
Display Contrast
Press to reduce or to increase the contrast
or press or press
-
-
S1
+
S4
-
<<
S1
+
>>
S4
Not applicable
Press Ok
to save the contrast change or
press
to abort.
Result: The display contrast has been changed.