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Northstar Explorer 725/705 Quickstart Guide
9
How the microphone and optional handset work together
Use the Intercom or Conference mode
Base Unit and Optional
Handset
The Intercom mode works ONLY when one or two
optional handset(s) are installed.
1 Hold down
WX
IC
or
IC
or
H/L
IC
to enter
INTERCOM or CONFERENCE mode. Conference
mode is only available when 2 handsets are
connected, and is used to connect all 3 units
together. This disables the radio receiver
except for incoming DSC calls.
2 The intercom calls the other unit as detailed in
the following table.
3 Press PTT when invited.
4 Press
ESC
to exit the INTERCOM mode, insert
separate row for Handset Intercom mode.
5 For operation of the IC key see below.
WX
IC
IC
H/L
IC
Using the IC key
The function of these modes will vary depending on the number of VHF705 handsets
connected:
· If no Handsets are connected, pressing the IC key will generate an error beep.
· If one handset is connected, pressing the IC key will enter Intercom mode.
· If two handsets are connected pressing the IC key the operation will be as follows:
IC Key 1st press 2nd press 3rd press 4th press
Main unit (MU) Intercom
with HS1
Intercom
with HS2
Conference Repeat cycle
1st handset (HS1) Intercom
with MU
Intercom
with
HS2
Conference Repeat cycle
2nd handset (HS2) Intercom
with MU
Intercom
with HS1
Conference Repeat cycle
Note: in this mode you must press ENT key to select the mode