Leica Disto D3a BT - lz1asl/CaveSurvey GitHub Wiki

Device

Leica Disto D3a BT is a laser distance meter with 100m range and 45' clinometer.

https://www.google.com/search?q=leica+disto+d3a

Protocol

The protocol consists of plain text messages over insecure Bluetooth Comm. 31 messages represent distance within 1/10 of mm. 22 values represent inclination within 1/100 of degree.

Example:

31..00+00000788
31..00+00000583
22..01+00002130 31..00+00000605
22..01+00002235 31..00+00000611
22..01+00001835 31..00+00002596

Usage

• Plain or inclination mode (use the lower right button)
• Distance or distance + inclination over Bluetooth
• Select a field, perform measurement and press the blue Bluetooth button to transfer it