11/27/2019
Turn Radio On/Off
Press the
Power On/Off Button
briefly to power
on the radio. After a short time, the red, yellow
and green LEDs light up. The display then
shows Zone and Channel text, and menu items
display on the screen. The backlight will turn on
to the last selected dim level.
Note:
Pressing the
Power On/Off Button
before the LED lights up will be ignored.
Select a Zone
1. Press the Menu Select button directly
below
Zone
OR
Press the button below
Next
until
Zone
is displayed.
2. Press the Menu Select button directly below
Zone
.
3. Press the up or down arrow buttons to the
required zone.
4. Press the
Home
button or the
PTT
button
to confirm the displayed zone.
5. Press the
PTT
button to transmit on the
displayed zone and talkgroup or channel.
Select a Channel
1. After pressing, rotate the Multi Function
Knob (MFK) to the desired channel. The
new channel name will appear on the
display.
OR
1. Press the Menu Select button directly below
Chan
OR
Press the button below
Next
until
Chup
is displayed.
2. Toggle the Menu Select button directly
below
Chup
.
3. Press the
Home
button or the
PTT
button to
confirm the selected talkgroup or channel.
Press the
PTT
button to transmit on the
displayed zone and talkgroup or channel. When
speaking, keep the microphone 1-
2” from your
mouth. Release
PTT
button to listen.
In Menu:
Zone
Chup
Scan
Nuis
Scnl
Mon
Emergency Operation
1. Press the preprogrammed
Emergency
button.
The display shows Emergency and the current
zone or channel. You hear a short, medium-
pitched tone and the LED momentarily blinks
red.
OR The display shows No emergency,
if the selected channel does not support
emergency.
2.
The radio enters the Emergency Call state
when:
You receive the dispatcher’s
acknowledgment. The display shows Ack
received. OR You receive no
acknowledgement. The display shows No
acknowledge. OR
You press the
PTT
button
while in the Emergency Alarm mode.
Note: Your radio microphone will auto
transmit for 10 seconds
3. Press and hold the
PTT
button. Speak clearly
into the microphone.
4. Release the
PTT
button to end the
transmission and wait for a response from the
dispatcher.
5. Press and hold the
Emergency
button for 1-2
seconds to exit the Emergency Call mode.
Direct/Talkaround (Conventional)
Rotate the Multi Function Knob (MFK) to the
preprogrammed
Direct
channel in the radio
to talk
in a direct/talkaround mode.
The display shows the Talkaround icon
if the
radio is currently in Direct mode (during
conventional operation only).
Display Backlight
You
can enable or disable the radio’s display
backlight as needed, if poor light conditions make
the display difficult to read. Depending on how your
radio is preprogrammed, you can also maintain a
minimum backlight level on the radio’s display.
Press the
Dimmer
button to adjust the brightness of
the display.
OR
Press and hold the dimmer
button to toggle between day and night mode.
* Buttons may be redefined in programming. Refer to your
specific radio program. Print Date: 11/27/19
APX 4500 O2
Steuben County
NY
Turn Scan On/Off
To turn scan on:
1. Press the Menu Select button directly below
Scan
OR
Press the button below
Next
until
Scan
is displayed.
2. Press the button directly below
Scan
.
The display shows
Scan off
if scan is
disabled. Press the
button directly below
Scan
to enable scan.
OR
The display
shows
Scan on
and the scan status icon if
scan is enabled.
3. Press the button directly below
Scan
to
disable scan.
4. The radio returns to the
Home
screen.
Scan List Edit
1. Press the Menu Select button directly below
ScnL
OR
Press the button below
Next
until
ScnL
is displayed.
2. Press the Menu Select button directly below
ScnL
.
The display shows the lists that can
be changed
3. Press the up or down arrow buttons or turn
the Multi Function Knob (MFK) to the entry
you want to edit.
4. Press the Menu Select button directly below
Sel
to add and/or change the priority of the
currently displayed channel in the scan list.
OR
Press the
Menu Select
button directly
below
Del
to delete the currently displayed
channel from the scan list.
OR
Press the
Menu Select
button directly below
Rcl
to
view the next member of the scan list.
5. Press the 4-Way navigation button to select
more channels to be added or deleted.
OR
Use the
Mode Knob
to select additional
channels to be added or deleted.
Press
Home
to exit scan list programming
Deleting a Nuisance Channel
When the radio is locked onto the channel to be
deleted, press Next to
Nuis
, and then press the
button under
Nuis.
To restore your Scan list
• Turn the radio off, then turn it on again.
OR
• Stop and restart a scan via the
preprogrammed
Scan
button or menu.
OR
• Change the channel via the MFK knob
.
.
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