FAA-28, Technical Manual, Rev.1.1.0
February 2022
Page 15 of 21
4. Load Factory Defaults:
Descriptions
Command:
@011000240001025AA5C9
Set to factory default.
Response:
@011000240001CA
ACK
CHECKSUM CALCULATION :
CSUM = 0
– (Sla Fu … + Last_data)
(STX and CSUM are neglected while calculating CSUM)
Example
For Medium (1) filter:
@011000220001020001XX
CSUM = 0
– ( 01+10+00+22+00+01+02+00+01)
= 0
– 37
= C9
Command is @011000220001020001C9 < Carriage Return >
4.5
Testing the Scale Performance
You have to check the scale performance by testing the scale eccentricity, scale
linearity at loading up to maximum loading value, repeatability etc. before using it.
