User manual
Operator's Manual 
CANbus-TD-TDM-OM-E RevB 
53 
3.  Connect the CANbus TD/TDM Oscilloscope 
Interface Module (OIM) to the EXT input of 
the instrument. Make sure that the top 
(OIM labeled side) is facing up. 
Note: Make sure that the OIM is at a right angle 
to the connector. 
4.  Connect the 3-pin plug end of the OIM to 
the Trigger Module. 
Installing Trigger Couplers 
UNDERSTANDING WHICH TRIGGER COUPLER IS INSTALLED IN THE TRIGGER MODULE 
The Trigger Coupler is a CAN Transceiver. Therefore, the Trigger Coupler in the Trigger Module 
must match the transceiver in the CAN circuit you wish to connect to. If it does not match, the 
CAN trigger will not function properly. 
To identify the coupler(s) that are installed, do the following: 
1.  Open the CAN Trigger dialog by touching the Trigger descriptor 
box (or by pushing the front panel “Bus Analysis” push button 
on Vehicle Bus Analyzers, and then selecting the CAN Trigger 










