Full Duplex Handsfree (Fdhf) Accessory On The M3904 - Nortel Meridian M3900 Reference Manual

98 Installation
Figure 22
How to install the alternate key caps
As Figure 22 shows, place the tips of the tool into the slots at the right
and left of the key, grip tightly and pull straight upward.
Procedure 37
Install key caps
1
2

Full Duplex Handsfree (FDHF) Accessory on the M3904

This section shows how to install and use the Full Duplex Handsfree
(FDHF) Cartridge (NTMN72AA) with your M3904 Release 3 Meridian
Digital Telephone (NTMN34GA). The FDHF cartridge enables
simultaneous two-way communication during a handsfree call.
Note: The FUll Duplex Handsfree accessory is only supported on
the M3904 Release 3 or later telephone. A Full Duplex Handsfree
compatible version of the M3904 Release 2 telephone is not
available.
555-4001-136 Standard 05.06 May 2002
Fit the two small elastomer posts into two slots on the underside on the keys
and firmly press downward.
The key releases immediately after applying pressure.
Note: If the key does not release, remove it. Attempt the installation again,
making sure that the posts and the slots are properly aligned.
This procedure is now complete
G100102