Appendix A: Sensors A-6
Keyence FS-N40 Series Sensor Amplifiers D291511.18a.fm
3. Press Mode (M) three times. Note that the L/D ON indicator is now set to D-ON
Fine Tune the Setting Value (Threshold)
Use the Manual (< >) button to adjust the Threshold value as desired:
• Press the left arrow to increase the setting value.
• Press the right arrow to decrease the setting value.
• Hold the button down to make adjustments more quickly.
Locking the Keys
It is sometimes desirable to lock the keys of the sensor amplifiers so that the current settings are
not inadvertently changed.
1. Hold down the left side of the Manual (< >) button and the Mode (M) button simultane-
ously for at least three seconds.
2. The CV indicator will display Loc to indicate that the lock is in place.
3. Repeat the same procedure to unlock the keys. The display will flash the message unL.
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