29
Getting Started
environment, you may want to move the MTP850 closer to
you for better transmission.
3. To de-activate speakerphone, press
Erpce. The display
shows Speaker OFF.
To burst into conversation while the other party is talking,
press and hold PTT. You will hear a tone. Start talking, and
release PTT to listen again to the other party.
Muting/Unmuting the Bottom Microphone
During a Phone, PABX, or full-duplex Private Call, use the
mute feature to:
• hold conversation without being heard by the caller
• silence possible background noise in your area.
1. Press
Mute. The display shows Mute is ON. The micro-
phone is muted. You can hear the incoming audio, but the
caller cannot hear any speech coming from your MTP850.
2. To speak, press
Unmut. The display shows Mute is OFF.
The microphone is on.
Local Area Service
This mode, also called Fallback Mode, allows more than one
terminal from the same site to communicate when the link
between the site and network central controller fails. Entering
and exiting Local Area Service (that is, returning to System
Wide Services) is done automatically.
Entering Local Area Service
When the MTP850 receives a Local Area Service indication
from the system, the following occurs:
• The MTP850 sounds a tone.
• The display shows the “Local Area Service” message.
• Display icons and soft keys turn brown.
• Any call in progress is dropped upon entering Local Area
Service mode.
6866537D80-A.book Seite 29 Freitag, 29. Juli 2005 4:15 16
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