OPERATION
2-2
Revised January 2001
Part No. 001-9800-501
Select Switch -
Rotating this switch increases or
decreases the selected channel. It is also used for other
functions such as selecting the zone and scrolling
through lists. See Section 2.3.5 for more information.
Option Switches -
The five front panel option switches
can be programmed for various functions. Refer to
Section 2.3.4 for more information.
Transmit/Busy Indicator -
Indicates the following
conditions:
Red
-
Transmitter is keyed
Green
-
The currently selected receive channel may
be busy because a carrier (signal) is being
detected (see Section 2.4.3).
Microphone Jack -
Connection point for the
microphone.
Microphone Push-To-Talk (PTT) Switch -
Push-
button on the microphone which is pressed to key the
transmitter.
Speaker -
The internal speaker is located behind the
grille. An optional speaker can be connected to the
external speaker jack located on the back. See “Speaker
Jack” description in next section for more information.
2.2.1 REAR PANEL JACKS AND CONNECTORS
Antenna Jack -
Miniature UHF jack for connecting the
50-ohm antenna.
Power Jack -
Connection point for the power cable
which attaches to the vehicle battery. A nominal 12-volt
DC, negative ground power source is required.
Speaker Jack -
Connection point for an optional
external 4.7-ohm, 5-watt speaker. The internal speaker
is automatically disabled when a speaker is plugged
into this jack.
Accessory Cable (Not Shown) -
This optional pigtail
cable installs in the speaker jack opening and is used
to connect the ignition sense input and other outputs.
2.2.2 DISPLAY DESCRIPTION
Upper 8-Character Display -
This alphanumeric
display indicates the channel alias or information
about the selected mode. With conventional operation,
it may also indicate the channel number or frequency
(see Section 2.4.2).
Lower 8-Character Display -
This alphanumeric
display indicates additional information pertaining to
the current mode when necessary.
-
Indicates that standard scanning is enabled (see
Section 2.3.11). Standard and radio wide scanning
cannot be enabled at the same time.
- The box around the “S” indicates that the current
conventional or SMARTNET/SmartZone channel is in
the standard scan list (Section 2.3.11).
- With SMARTNET/SmartZone channels only,
indicates that the telephone (interconnect) mode is
selected (Section 2.5.6).
Antenna
Jack
Ext. Speaker
Jack
Power
Jack
C
P
S
G
In Scan
List
Priority
Channel
Radio-
Upper and Lower
Monitor
Wide Scan
Std Scan
Talk-Around Private
Call
Telephone Call
Keypad
Prg Mode
8-Character Displays
Mode
Mode
Enabled