: Remove the battery if the device will not be used for an extended period. www.joongang21.com troubleshooting common error codes? FMX – 003
| Icon | Meaning | Action Required | |------|---------|------------------| | 🔋 Battery outline | Low battery | Replace the 9V battery (top compartment) | | ⚠️ +/- sign | Polarity of charge | Positive (red zone) or Negative (blue zone) | | 📏 “cm” or “in” | Distance unit | Use the slider on the top side to switch | | 🎯 Circle with dot | Zeroing complete | Flashes during auto-zero | | | Reading locked | Press HOLD button again to release | simco fmx002 manual top
If you need to record a fluctuating value, press the button to freeze the current reading on the screen. 3. Maintenance and Calibration To maintain "top" performance, the requires regular care: : Remove the battery if the device will
: By attaching an optional metal plate, it can measure ionizer balance (offset voltage) up to ±200V. Best Practices for Use Press the button
Point the sensor away from any charged surfaces or towards a known grounded metal plate. Press the button. The display should read 0.00 . 3. How to Take Measurements (Step-by-Step)
