15
14
Checking Compatibility
1
2
3
4
1
2
3
4
Adjust your telephone configuration dial on the base to position 3 for the following tele-
phones: 2420, 4610SW, 4620, 4620SW, 4621SW, 4622SW, 4625SW, 4630SW, 5420, 5610,
5620, 7403D, 7405D, 7407D, 7406, 8403, 8405, 8410D, 8411D, 8434, 8510ISDN, and
7506ISDN.
Adjust the configuration dial to position 1 for the following telephones:
2410, 4630, 5410, 6416D+M, 6424D+M, and 9600 series.
If you cannot hear a dial tone through your headset, use a coin or small screwdriver to
turn the telephone configuration dial until you can. Make sure that a number is aligned
with the position indicator.
1. Place a call to someone you know.
2. While speaking, turn the configuration dial through the four positions.
3. Select the position that provides the best sound quality for both you and the recipient.
NOTE: The compatibility setting of “1” is set at the factory to work with most phones.
However, if you do not hear a dial tone, if either you or the recipient is having trouble hearing,
or if you experience buzzing/hissing, please follow the directions below.
Making/Answering/Ending Calls
Setup 5
with Optional Handset Lifter
1
1
2
2
First, test proper set up of the handset lifter.
1. Press the call control button on headset to activate handset lifter and lift handset
from phone. Dial tone should sound if the handset is raised high enough.
2. If no dial tone, adjust handset lifter height switch or reposition the lifter under the
handset.
Use mounting tape to secure the handset lifter in position.
To make/answer a call:
1. Press the call control button to raise the handset lifter.
2. Use the telephone keypad to dial the number.
To end a call, press the call control button to lower the handset lifter. The handset will
return to the base.
If either you or the recipient have trouble hearing, please check compatibility (page 15).