Test Mode And Error Codes; Front Panel Test Mode; Test Mode/Entry; Test Mode/Channel Selection - Motorola GTX/LCS 2000 Service Manual

Test Mode
and Error Codes

Front Panel Test Mode

Test Mode/Entry

Test Mode/Channel
Selection
Channel Number
1
2
3
4
5
6
7
The functions of the radio controls for the Front Panel Test Mode are as follows:
Test Mode allows radio checks to be performed in the field. To provide a level of
protection to the Test Mode entry, proceed according to the following sequence:
1. Place radio in TRUNKING operation mode and wait for 6 seconds. (See
Quick Start card for instructions on how to enter that mode.)
2. Turn radio off.
3. Verify that RIB is off.
4. Turn radio power supply (13.6 V DC) on .
5. Turn radio on.
The radio enters Test Mode operation:
• Speaker unmutes.
• One beep is heard to indicate operation on the first test frequency
(default).
• Display shows "4 1" .
CHANNEL
MODE (4 IS INITIAL MODE)
Use the PTT switch for channel selection. A short press and de-press on the PTT
switch (button-like push) will advance the radio to the next channel (cyclical) .
Seven channels are available during test mode, as shown in the table below.
Table 4-1 Test Mode/Channel Selection
Rx Frequency Tx Frequency
851.0125 MHz 806.0125 MHz
869.9875 MHz 824.9875 MHz
860.5125 MHz 815.5125 MHz
CC1 (1) CC1-45 MHz
CC2 (1) CC2-45 MHz
CC3 (1) CC3-45 MHz
CC4 (1) CC4-45 MHz
(1). CC1-CC4 are control channels programmed in association with
the selected trunking system.
(2). M stands for modulation type (0-3). See Table 4-2.
4
4
Display
"M 1" (2)
"M 2" (2)
"M 3" (2)
"M 4" (2)
"M 5" (2)
"M 6" (2)
"M 7" (2)

Test Mode and Error Codes

4-1