User's Guide

Call Type Answering Method Audio Routing
• To one of the following routes, by priority:
- To the IMPRES handset earpiece if the
IMPRES handset is taken off hook.
-
To the HSM / HSM2 earpiece if the
HSM / HSM2 is connected to the control
head.
- To the GCAI headset / PHF earpiece if
the GCAI headset / PHF is connected to
the control head.
- To the external speaker.
5
FDPC /
Phone /
PABX and
HDPC
Press PTT on the handset (On
hook).
To the external speaker.
Press PTT on the handset (Off
hook).
To the handset PTT is pressed.
Press PTT on the handheld
microphone (On / Off hook).
To the handheld microphone PTT is pressed.
Press PTT on the hands-free
microphone.
To the hands-free microphone associated with
the pressed PTT.
Press external PTT, when
Line-in rear accessory is con-
figured by your service provid-
er.
To the line-in and to the external speaker.
Press PTT on the HSM. To the HSM PTT is pressed.
Press PTT on the GCAI head-
set / PHF.
To the GCAI headset / PHF PTT is pressed.
HDPC auto-answer. Routing is as follows:
• To the external speaker on the transceiver.
• To the handset of the transceiver if taken off
hook.
• To one of the following routes, by priority:
- To the IMPRES handset earpiece if the
IMPRES handset is taken off hook.
- To the HSM / HSM2 earpiece if the
HSM / HSM2 is connected to the control
head.
- To the GCAI headset / PHF earpiece if
the GCAI headset / PHF is connected to
the control head.
- To the external speaker.
5
5
Available only for radios with Dual Control Head feature enabled. There is only one receiving
audio path on the control head (front-head GCAI OR back-head GCAI OR external speaker). In
case both the handset and external speaker are connected to control head, handset shall have
a priority for receiving audio if it is taken off hook.
68015000180-MG
Appendix D: Audio Routing and PTT Hook Interactions
152