Syn-Tech III P25 Portable Radio
OPERATION MANUAL
4.2.2Transmitting Emergency Calls
Press and hold the 
(emergency) key for five seconds 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 may initiate the emergency transmissions on the current channel.
The radio will automatically transmit five emergency alert transmissions and set the emergency bit on all user initiated transmissions until the emergency is cleared. The emergency is cleared by a long
press of the 
(Keypad Lock) key or by turning the radio off.
Hold
Emergency
key for 5
seconds
Hold
Keypad
Lock for 2 seconds to clear
Radio
reverts to previous channel
Figure 4.32 – Transmitting in emergency mode
Emergency calls may be disabled in radio programming. When emergency calls are disabled the emergency button will not function.
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