4.3 Analog Output
21
4.3 Analog Output
The analog output provides on its SMA connector the amplified and buffered photo-
diode current or thermal sensor voltage.
For photodiode sensors the bandwidth setting influences the output signal; with
thermal sensors the analog output shows the direct amplified and accelerated
voltage response from the sensor.
The signals from the analog output are not wavelength and zero correct-
ed!
The analog output voltage is range dependent and can be calculated to:
U
Analog Out
= 2V / power range value x displayed power value
The analog output voltage can range from -0.3V to +2.3V.
4.4 Tune Sound
The TUNE menu item switches on and off an audible tone for laser tuning support.
The intermitting tone will increase its repetition rate up to a permanent sound at the
maximum reached power level. When the Tune feature is activated, the maximum
level is indicated instead of the operating wavelength. To reset the maximum power
level to the actual level press one of the or keys.
Leaving the focus of the „TUNE‟ item or pressing OK will stop the sound.
= maximum power level
Sound on/off: OK
Reset maximum level:
Figure 12 Tune Sound
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