Hold Indicator; Error Display - ILX Lightwave OMM-6810B User Manual

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C H A P T E R
Use SLOW when very stable readings are required, but slower measurement time
is acceptable.
The measurement rate for the MEDIUM rate is 60ms/Sample and the input
bandwidth is 10 Hz. A sliding average is taken with four samples. The display is
updated every 60ms and the rate indicator flashes at a frequency of 1 Hz.
The measurement rate for the FAST rate is 60ms/Sample and the input bandwidth
is 60 Hz. Every sample is displayed (no averaging). The rate indicator flashes at
a frequency of 2 Hz. FAST is good when a rapid measurement response time is
required but stability will not be as good as SLOW or MEDIUM.

Hold Indicator

The HOLD light indicates that the light input to the Optical Measurement Head is
varying by greater than 1 nm between measurements. In this condition, the
HOLD indicator blinks slowly and the 6810B holds the last stable measurement on
the display and uses that wavelength to calculate power. The wavelength is held
until a stable wavelength is measured.
In manual wavelength mode, the 6810B is not measuring wavelength. In this
case the last measured wavelength or user selected wavelength is frozen on the
display and the HOLD indicator is solidly illuminated.

Error Display

Execution errors are indicated on either display. Errors are shown as "E-xxx"
where xxx is a three digit number representing the unique error. Errors are
displayed for three seconds or until the error causing condition is remedied,
whichever is longer. See Appendix A for a detailed list of error messages.
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 OMM-6810B
I N S T A L L A T I O N A N D O P E R A T I O N
Front Panel Controls