SOUTHERN AVIONICS COMPANY
SE Series Installation and Setup
7-10
Operational Checks
7.12.2
This completes general operational tests of Transmitter #2.
7.13 Shutdown Tests Setup
7.13.1
Note that fault indications will appear on the
LCD
only for the transmitter selected to display.
After a shutdown transfer occurs for any reason the
LCD DATA
key must be pressed to display
the TX that shutdown if it is desired to read the fault that caused the transfer.
7.13.2
Set up both TX1 and TX2 with the same parameters. Set both transmitters in the normal IDENT
mode.
7.13.3
Using the
LCD DATA
key to select either TX1 or TX2, turn
both
transmitter monitors on by
pressing
ENABLE
in the monitor section until the LCD reads enable and press
ENTER
to store this
condition.
7.14 No Tone Shutdown Test - Loss of Modulation
7.14.1
Set TX1 as the primary transmitter.
7.14.2
Set TX1 mode to CARR (carrier only
)
. The transmitter should shutdown within 60 seconds and
transfer to TX2 with the SECONDARY lamp illuminated.
7.14.3
Verify TX2 operation is stable for 2 or more minutes.