10-4 FAILSOFT TESTING
10-4.1 Radio or System Initiated Failsoft
Test, Astro Signaling
Configure the analyzer for trunk mode (paragraph
9-5) and Radio Initiated or System Initiated
Testing (paragraph 9-7).
1. Enter the following parameters:
Sig Type: ASTRO VSELP or
ASTRO IMBE
ID Disp: HEX or DEC
Call Seq: FAILSOFT
Systm ID:
2. Enter the FSTx or channel number.
3. Enter the Input Port selection and monitor
attenuation. In most cases, the port selection
should be RF I/O with 20 dB attenuation.
4. Enter the generator Port selection. In most
cases, the port selection should be RF I/O.
5. Press the start test softkey. If the parameters
selected are not valid, the test sequence is
terminated and an error message is
displayed. When the start test softkey is
pressed, it is replaced with the stop test
softkey. For a list of error and warning
messages, refer to Appendix G.
The trunking transmits the failsoft word on
the failsoft channel, and nothing on the
control channel. When the radio cannot
detect a control channel, it looks at its
failsoft channel. When the radio decodes the
failsoft word it will unmute and
conventional radio operation is possible.
After the radio has locked on the failsoft
channel, the operator can transmit
modulation from the trunking analyzer to
the radio.
6. Press the stop test softkey to terminate
testing.
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