Planmeca Compact i3 - 22.6.3 Testing apex locator function

If the flash bar has been set within the 5 bars below 2 on the meter scale,
the beep signal is slow at first and becomes continuous when the file tip
reaches the flash bar. There is no fast beep signal.
1. Slow beep signal
2. Continuous signal
If the flash bar has been set at 2 on the meter scale, the only signal that is
heard is the continuous signal when the file tip reaches the flash bar.
1. Continuous signal
22.6.3 Testing apex locator function
About this task
The apex locator function must be tested weekly.
NOTE
While the test is going on, the control panel is locked.
22 Operating instruments
126 Planmeca Compact i3 User's manual