User`s guide

227
Field Definitions
Protocol Type Use the UP/DOWN arrow keys to select the Trunking Protocol Type for
the current personality.
Access Type This field will be visible only if the Protocol Type field is set to IIi. Use the
UP/DOWN arrow keys to select the Trunking Access Type. This
determines how the radio will access a Type II/IIi system.
❒ Select Tx Fast/Rx Fast for use with fast access systems and Tx Fast/
Rx Slow for slow access protocol emergency subfleets.
❒ New Type I radios operating on fast access systems should be set
for fast access.
❒ Type IIi radios which have to communicate on systems with slow
radios should be set to slow access.
Note: This information must be coordinated with your system
manager to ensure proper operation.
Emergency Call Use the UP/DOWN arrow keys to enable/disable this option.
Emergency Alarm allows the operator to press the Emergency button
to send an alarm to the dispatcher.
The Emergency Call condition is entered by pressing a button
configured to initiate an emergency. All subsequent PTT transmissions
while in the Call state will be made with high priority access to a voice
channel. Emergency Alarm and Emergency Call may both be enabled,
in which case the Call state is entered when PTT is pressed.
Emergency Alarm Use the UP/DOWN arrow keys to enable/disable this option.
Emergency Alarm allows the operator to press the Emergency button
to send an alarm to the dispatcher. Emergency Alarm is a coded
transmission made on the control channel in response to pressing a
button configured to initiate an emergency. These alarm transmissions
will be sent until:
❒ the control channel acknowledges the alarm;
❒ the console dispatcher acknowledges the alarm (if console ack is
enabled); or
❒ the alarm retry counter is exhausted.
Type II An enhanced version of the original Trunked Signalling protocol
that provides additional fleet management flexibility for a given
system via an expanded signalling format.
Type IIi A hybrid of Type I and II signalling systems. This Trunking
protocol type allows Type I radios to communicate with Type II
radios on the same voice channel.