Specifications

DX-80 INSTALLATION AND MAINTENANCE MANUAL
P7290 IMM 3-153
Operation – Activate Headset Mode
While the telephone is idle, press !9/ or press the Flexible Feature button programmed with the
Headset Mode code. The display indicates the new status:
HEADSET ENABLED
Operation – Deactivate Headset Mode
While the telephone is idle, press !*9/ or press the Flexible Feature button programmed with
the Headset Mode code. The display indicates the new status:
HEADSET DISABLED
Operation – Use the Headset to Place a Call
1. While the telephone is idle, press the On/Off button, a DSS button or CO Line button. The On/Off button
LED flashes to indicate that the headset is active.
2. Intercom Dial Tone, CO Line dial tone or Intercom ring-back tone is heard depending on the function
invoked.
3. Press
the On/Off button again to disconnect the current call.
Operation – Use the Headset to Answer a Call
1. While the telephone is ringing, press the On/Off button. The On/Off button LED flashes to indicate that the
headset is active.
2. The ringing call is answered and connected to the headset.
3. Press
the On/Off button again to disconnect the current call.
Conditions
a) You may assign a feature button with the Headset feature code and use the button to turn the headset on
and off. When the headset is enabled that button will light.
b) While using the headset, you may pick up Intercom Voice calls by pressing the On/Off button.
c) Incoming CO line calls may be answered by pressing
the On/Off button (for automatic priority ring
selection) or by pressing the specific CO line button.
d) Other features like background music and muted ring continue to operate in the same manner while you are
on-hook.
e) Non-amplified headsets may be powered directly from the key telephone. In most cases this interface
permits the key telephone to control the Volume Up/Down and Mute features. Some headsets may require
the use of the headset adapter keys to adjust the volume, mute and other headset functions.
f) Pressing
the On/Off button will disconnect calls when the Headset mode is active.
Hidden Codes !61
A four-digit code may be stored for dialing by one-button operation. The Hidden Code feature is reserved to use with
a Flexible Feature button. (It must be stored on a Flexible Feature button to operate.) This feature is typically used
with voice mail systems (both internal and external). When the voice mail mailbox is reached, the Hidden Code button
can be pressed to dial the stored code.
Related Features
Integrated Voice Mail Flexible Feature Button Programming