Software Updates - Honeywell Bendix/King KX 165A Maintenance Manual

BENDIX/KING
5.4

SOFTWARE UPDATES

Required equipment
An Application Image Diskette containing the software updates. The proper
version of the software will be described in the latest software bulletin.
A service shop supplied serial cable to connect to the KX155A RS232 pins and
to the COM MIC Key pin as shown in
IBM compatible PC with a serial output port. A small number of disk drives are
incompatible with the Application Image Diskette. If your computer is unable
to read the diskette another computer/drive will be required.
Instructions:
1.Connect the KX155A to the Shop Fabricated Test Panel as shown in
2.Apply power to the unit, but do not turn the unit on.
3.Connect the RS232 of the PC to the RS232 pins of the KX155A.
4.Insert the Application Image Diskette inot the floppy drive (assumed to be drive A:) of the
computer.
5.From the DOS prompt (Not a DOS shell underneath Windows), type a:\pcloader <enter>.
If the computer displays a message such as "disk may be corrupted", "incorrect disk
- insert disk", or "diskette compatibility error" then the computer's drive is incompatible
with the diskette.
6.Key (ground) the Com Mic key pin.
7.Turn on the unit.
8.Upon completion a blue bar will appear across the screen.
9.Check that the latest software version is displayed in the pilot configuration pages. this
is done by pressing and holding the Nav Mode button for more than 2 seconds, and
then pressing the Nav Transfer button for an additional 2 seconds while still holding
the Mode button. The software version is annunciated by "SWRV."
Proper loading of the application software requires previous loading of Boot software to the
KX155A. If the application software does not load properly the KX155A needs to be factory ser-
viced.
Rev 0, Jun/2000
The remaining pages in this section contain test volt-
ages and waveforms for various points on the main
board, the RECEIVER BOARD and the glideslope
15610M00.RCD
figure 5-2.
NOTE
board.
KX 165A
figure 5-2.
Page 5-45