User's Manual

P25 - SRM9022 RADIO – OPERATING INSTRUCTIONS
© TMC Radio 2007 page 47 TNM-U-E-0055 Issue 2.1a
Frozen: The default screen will freeze, with the E icon displayed indicating emergency
mode.
Blank: The screen will blank giving no indication to others that the radio is in emergency
mode.
When emergency mode is triggered, the radio can be configured by the FPP to transmit and
receive on a cyclic basis with FPP programmed time periods. The display will show “TxEm”:
Channel No.
During TX, the radio will generate an emergency broadcast call on either the currently
selected channel or an FPP nominated channel.
Others may listen to the automatic transmissions to hear conversations near the radio.
Turning the radio off and on will disable emergency mode.