How to Install and Use the MRCARTOOL M85 GPS Inclinometer
Install the M85 safely, acquire a stable satellite fix, set a trustworthy level reference, navigate its four displays and interpret speed, trip, position, voltage and slope data correctly.
Tag GPS HUD
How to Use the MRCARTOOL M30 GPS Speed Display
Mount and power the MRCARTOOL M30 safely, acquire a stable satellite fix, switch among speed, compass, time and reminder displays, verify speed compensation and troubleshoot weak GPS reception.