Campbell Scientific OBS-Mobile Software for Archer-OBS - Manual (Page 9)

Section 1. Operations
3. Connect the OBS-3A to the Archer with the test cable (FIGURE 1-4).
FIGURE 1-4. Connections and Wiring of Field Cable
MCIL-8-MP
6 to 18 V
Battery
(RS
DB-9
3 / 85) -2 2 4
4. Click Connect/Disconnect to get a “connect” and
synchronize the OBS-3A clock with your PC by clicking .
1-3