Instruction manual

8310 TGI 8210 Varec Mark/Space Communications Interface Module
Varec, Inc. 19
Figure 3-5: Whessoe Varec Model 1900 Micro 4-Wire transmitter
Figure 3-6: Whessoe Varec Model 4000 ATT
Figure 3-7: Gauging Systems, Inc. - System 2000TXC Transmitter