Optional washer

The washer (P/N 44092) is available in some receiver kits. It has a number of uses.

Use case 1:

When you do not have a tribrach and you want to mount the receiver on a tripod. First, level the tripod plate and then place the 0.250 m extension rod followed by the washer.

Use case 2:

To calibrate the eBubble, first level the tripod plate and then place the receiver with the washer on the tripod legs and carefully screw in the receiver. In your field software, go to the eBubble settings menu and tap the Calibrate Tilt Sensor button. Follow the instructions on the screen.

Use case 3:

To hold a rod with the 450 MHz external radio antenna on top of the tripod legs.