REVIC PMR428 Smart Rifle Scope | Calibrating the Compass
This guide details the process for calibrating the compass on the REVIC PMR428 Smart Rifle Scope. The compass is a sensitive magnetometer susceptible to interference from ferrous materials. Calibration involves a specific 10-12 second figure-eight motion after entering the calibration routine via the scope's menu. Proper calibration ensures accurate directional readings, though a separate step may be needed to set true north.











