User guide
Table Of Contents
- Front Cover
- Quick Reference Guide
- Pocket Quick Reference Guide
- Notice
- Table of Contents
- Finding Your Way
- Getting Started
- Introduction
- Adjusting Your Endpoint’s Viewing Angle
- Adjusting Your Endpoint’s LCD Contrast
- Setting Up Voice Mail
- Making and Receiving Calls
- Placing Calls On Hold
- Placing Conference Calls
- Transferring Calls
- Using Reverse Transfer
- Forwarding Calls
- Redialing a Number
- Displaying Information on Your Endpoint
- Using a Headset
- Using the Speaker and Microphone
- Using the Message Button
- Accessing Your Mailbox
- Disabling and Enabling ASR
- Accessing Voice Mail Messages
- Using Do-Not-Disturb Mode
- Using Reminder Messages
- Moving On
- Introduction
- Setting Endpoint Preferences
- Setting Mailbox Preferences
- Speed Dialing
- Using Record-A-Call
- Paging
- Performing a “Hookflash” During a Call
- Programming Your Feature Buttons
- Programming Direct Station Selection Buttons
- Programming Secondary Extension Buttons
- Using Account Codes
- Screening Calls
- Using Call Logging
- Using Directories
- Programming Remote Feature Access
- Requesting Agent Help
- Working in Hunt Groups
- Using E-Mail Reader
- Learning More
- Index
- Standard Mailbox Flowchart
- Back Cover

15
Inter-Tel
®
Model 8520 User Guide
GETTING STARTED
ADJUSTING YOUR ENDPOINT’S LCD CONTRAST
Some endpoints have a contrast control wheel that allows you to manually adjust the
Liquid Crystal Display (LCD) contrast. This wheel is located on the back of the end-
point and can be adjusted while viewing the LCD screen.
For endpoints that do not have a contrast control wheel, you can use a feature code
and the volume buttons to adjust the contrast on the LCD.
Depending on the type of display your endpoint has, you can adjust the contrast on
your LCD using one of the following methods. When you adjust the contrast on the
LCD, the endpoint must be in an idle state.
To adjust your endpoint’s LCD contrast: (using the contrast control wheel):
1. While viewing the LCD screen, locate the contrast control wheel on the back,
upper-right section of the endpoint.
2. Adjust the contrast of the LCD screen by turning the wheel clockwise (lighter)
or counterclockwise (darker).
To adjust your endpoint’s LCD contrast: (using a feature code):
1. With the handset in the cradle, dial .
2. Adjust the contrast level of the LCD screen by one of the following methods:
EITHER, Use the volume button ( = darker, = lighter).
OR, Press a number on the dialpad (1=lightest through 8=darkest) that corre-
sponds to your desired contrast level.
3. Accept and save the contrast level by one of the following methods:
EITHER, Press .
OR, Lift and replace the handset.
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