Raytheon Anschütz Standard 22 GYRO COMPASS Operator's And Service Manual page 31

First digit
Second digit =
Following CAN-Bus statuses are possible:
0 = No Timeout
1 = Timeout
2 = unknown
* = device itself
For example:
01
Edition: February 2020
= 1. CAN-Bus
2. CAN-Bus
= 1. CAN-Bus: No timeout
2. CAN-Bus: Timeout
1-21
Operator Unit 130-626.NG002
Standard 22 GYRO COMPASS
4352.DOC010002