Service manual

OPERATION
3-5
April 2001
Part No. 001-9800-203
Upper Decimal Point - Indicates that the function
controlled by the AUX1 switch is enabled.
Lower Decimal Point - Indicates that the function
controlled by the AUX2 switch is enabled.
3.3.2 HIGH TIER DISPLAY
Figure 3-4 High Tier Display
16-Character Message Area - Indicates the selected
system and group (see Section 3.4.4), error condi-
tions, and status information (see Section 3.10.3).
- Indicates that the displayed system is in the scan
list (scanned normally).
- Indicates that the displayed group is in the scan
list (scanned normally).
- Indicates that the selected group is programmed
for telephone calls (LTR systems only).
- Indicates that optional encryption is enabled (see
Section 3.5.7).
- Indicates that the horn alert is enabled (see
Section 3.5.10).
- Indicates that scanning is enabled (see Section 3.7).
- When an option switch is programmed to control
a dealer installed accessory (option), indicates that it is
enabled (see Section 3.5.11).
- Indicates that a call has been received on a
group programmed for a call indicator (see Section
3.5.3). To turn this indication off, press any key.
- Indicates that the monitor mode is enabled. This
mode disables Call Guard squelch and other squelch
control features so that all messages are heard on
conventional systems (see Section 3.9.1).
- When only is displayed, the selected or
displayed conventional group is scanned as a first
priority group. When is displayed, it is scanned as a
second priority group (see Section 3.9.6).
3.4 GENERAL OPERATION
3.4.1 POWER-UP SEQUENCE
When transceiver power is turned on by pressing
the front panel power switch or turning the ignition
switch on, the following start-up sequence occurs:
Low Tier Models
1. All segments and indicators in the display are
enabled for 1 second.
2. A beeps sounds (if tones are enabled) and the
transceiver is ready to be used.
High Tier Models
1. The backlight turns on.
2. All segments in the display are briefly enabled.
3. The last seven digits of the transceiver part number
(see Section 1.3) are displayed on the top line very
briefly. For example, a high tier, 800 MHz, 30-watt,
LTR transceiver is indicated as “9883203”. The
eighth display digit is reserved for future use and is
always “0”.
4. A beeps sounds (if tones are enabled) and the
transceiver is ready to be used.
3.4.2 DETERMINING VOLUME LEVEL
The relative volume setting can be determined by
noting the position of the index on the volume knob
Sys Scan
List
Phone
ID
Grp Scan
List
Priority
Groups
Option
Encryption
Horn
Alert
Scan Call
16-Character
Message Area
Monitor
Selected