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Headset options
The M3901, M3902, M3904, and M3905 supports an amplified headset when
the headset connects to the handset jack.
The M3903, M3904 and M3905 have a dedicated headset jack which
supports a non-amplified headset. The M3903, M3904 and M3905 have a
Headset Fixed Feature Key to turn the Headset on and off.
Installing alternate key caps for the M3905
Use the Key Extractor Tool with the M3905 Call Center Telephone to remove
the programmable keys and replace them with alternate keys customizing
your telephone to fit your need.
Figure 113
Install the alternate key caps
As shown in Figure 113, place the tips of the tool into the slots at the right and
left of the key, grip tightly and pull straight upward.
To install the key caps:
1
Fit the two small elastomer posts into two slots on the undersides of the
keys and firmly press downward.
2
The key releases immediately after pressure is applied.
Note: If the key does not release, remove it. Attempt the installation
again making sure that the posts and the slots are properly aligned.
M3900 installation and configuration
Telephones and Consoles
Page 411 of 532
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