UNIMO Technology UDR-204 Manuál s instrukcemi stáhnout pdf (Strana 209)

Force Imaging

Force Calibration Control Panels and Menus

Rev. B MultiMode SPM Instruction Manual 189

Trigger Threshold

This parameter as well as the Trigger Direction and Trigger Mode deﬁne the level at which trigger

occurs.

Trigger Direction

The Trigger Directions are deﬁned as follows:

• Positive: Trigger occurs on positive values only (Trigger Threshold must be positive)

• Negative: Trigger occurs on negative values only (Trigger Threshold must be negative)

• Absolute: Sign of Trigger Threshold is ignored (trigger may occur on positive or

negative values).

Start Mode

The Start Mode parameters are deﬁned as follows:

• Calibrate and Step: Normal ramping (no stepping) unless you use Probe > Approach

Single or Approach Continuous .

• Motor Step: Uses the stepper motor to offset ramp instead of the piezo.

End Mode

The End Mode parameters specify the location of the tip when the mode is switched back to Image

mode. Retracted is the typical setting.

Z Step Size

This parameter deﬁnes the size of Z step for Step or Motor Step modes. For Step, it the amount to

move the piezo; for Motor Step it is the amount to move the motor.

Auto Start

When Enabled this parameter starts taking force curves upon entering Force Calibrate Mode.

CAUTION: Use caution when using the Extended Mode parameter; you could

damage the tip.

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UNIMO Technology UDR-204 Manuál s instrukcemi Strana 209