• If the Fireground Zone Channel is set as
default, you hear gurgle tone and the home
screen. You are in Fireground zone channel.
• If the Fireground Zone Channel is set as
default, but you hear a short, low-pitched tone,
the display shows Reg failed to indicate that
the command terminal does not respond to
Fireground Zone Channel. Get a qualified
technician for assistance.
• If your home channel is not Fireground Zone
Channel, toggle or change the radio zone
channel to Fireground Zone Channel.
2 Listen for a transmission. Adjust the Volume
Control Knob if necessary.
3 Perform one of the following actions:
• Press and hold the preprogrammed Volume
Set button to hear the volume set tone. Adjust
the Volume Control Knob if necessary.
Release the Volume Set button.
• At the desired Fireground zone and channel,
press the preprogrammed Monitor button and
listen for activity. Adjust the Volume Control
Knob if necessary.
• If your radio is working in Fireground Zone
Channel, proceed to next step.
4 Press and hold the PTT button to transmit. The
LED lights up solid red while transmitting. Talk into
the microphone clearly if needed.
5 Release the PTT button to receive.
You hear a Transmit End Tone.
Responding to Evacuation Indicator
When Incident Commander triggers Evacuation
signal from his command terminal, the RF Modem
updates everyone in the Fireground Communication
System with the order to evacuate the incident site.
Your radio sounds the Evacuation Tone at the profile
maximum alert tone volume level. The display shows
EVACUATE.
Perform one of the following actions:
• Move the Volume Control Knob to adjust the
volume of the Evacuation Tone from full
volume.
• Perform any action on the radio other than
volume adjustments to cancel the evacuation
indications and update the command terminal.
93
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