
Syn-Tech III P25 Portable Radio
OPERATION MANUAL
680-090-2040
Version 6.4
http://www.midlandradio.com
4.2.2 Transmitting Emergency Calls
Press and hold the
(emergency) key to activate the
emergency function. Once
emergency mode is activated, the
radio switches to the emergency
channel set for the selected zone in
radio programming or initiates the
emergency transmissions on the
current channel.
After the emergency button is
released, the radio will
automatically transmit five
emergency alert transmissions, or
alternatively, the radio may be
programmed to automatically
transmit for a period of time in
“open microphone” mode. The
radio will set the emergency bit on
all user initiated transmissions until
the ermergency is cleared. The
emergency is cleared by a long
press of the (Keypad
Lock) key or by turning the radio
off.
Emergency calls may be disabled in radio programming. When
emergency calls are disabled the emergency button will not function.
Press and
hold
Emergency
key
Press
Keypad
Lock for 2
seconds to
clear
Figure 4.39 – Transmitting in emergency mode
Radio
reverts to
previous
channel
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