When setting the parameters, consider the room conditions, the surrounding noises, and the
type of telephone conversations (internal, local, long-distance, overseas, …) most frequently
made by the respective user.
1. Open the audit menu.
2. Select Set handsfree.
3. Press the OK button.
4. Select Handsfr. par. set.
Note:
Select the desired parameter set first, because all other settings in this menu
apply to the specified parameter set. Individual settings can be saved for each
parameter set.
5. Select the desired parameter set.
6. Select Outg. sensitivity.
This menu item is used to influence the response threshold for outgoing calls.
7. Select one of the following:
• Move setting to the left: higher sensitivity (low voice, quiet room)
• Move setting to the right: lower sensitivity (loud voice, noisy room)
8. Select Inc. sensitivity.
This menu item is used to influence the response threshold for incoming calls.
9. Select one of the following:
• Move setting to the left: increased sensitivity (quiet call partner, high
attenuation on the line)
• Move setting to the right: reduced sensitivity (loud call partner, little
attenuation on the line)
10. Select Reverberate ti.
This menu item is used to compensate for reverberation time in the room where the
telephone is located (to adapt handsfree operation to the room conditions.
11. Select one of the following:
• Move setting to the left: the room has a short reverberation time (quiet
room)
• Move setting to the right: the room has a long reverberation time (echoing
room)
12. Select Echo comp. level.
This and the following setting affect the ”Reverberation time of the connecting line".
Because most cases are adequately covered by the default settings, you only rarely
need to change these settings. You can best determine the echo characteristic when
Setting handsfree parameter
1408/1416 Telephones IAM Guide January 2010 37
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