June 1999
68P02945C75-A
5-1
Section 5
Radio Diagnostic Utilities
Test Mode/Entry
Test Mode allows radio checks to be performed in the
Þeld. 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.
Remove battery from radio.
4.
Plug the 25-pin end of the HKN9857 program-
ming cable into the RIB. The other end of this
cable has a battery eliminator.
5.
Put the battery eliminator in place of the radio
battery.
6.
Verify that RIB is off.
7.
Turn radio power supply (7.5 V DC) on.
NOTE
You may use the programming cable bat-
tery as external power supply for the
radio.
8.
Turn radio on.
The radio enters Test Mode operation:
¥ Speaker unmutes.
¥ One beep is heard to indicate operation on the
Þrst test frequency (default).
¥ Display shows Ò4 1Ó.
Test Mode/Channel Selection
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.
(1) CC1-CC4 are control channels programmed in association with the selected trunking system.
(2) M stands for modulation type (0-3), see Table 5-2.
(3) For LTR radios only.
MODE (4 IS INITIAL MODE)
CHANNEL
Table 5-1.
Test Mode/Channel Selection
Channel Number
Rx Frequency
Tx Frequency
Display
1
851.0125 MHz
806.0125 MHz
ÒM 1Ó (2)
2
869.9875 MHz
824.9875 MHz
ÒM 2Ó (2)
2
866.9750 MHz (3)
821.9750 MHz (3)
ÒM 2Ó (2)
3
860.5125 MHz
815.5125 MHz
ÒM 3Ó (2)
4
CC1 (1)
CC1-45 MHz
ÒM 4Ó (2)
5
CC2 (1)
CC2-45 MHz
ÒM 5Ó (2)
6
CC3 (1)
CC3-45 MHz
ÒM 6Ó (2)
7
CC4 (1)
CC4-45 MHz
ÒM 7Ó (2)