ABB MR Series Startup Procedure page 12

LED is off and the DATA LED comes on for every scan to indicate that data is being transferred to the
PC.
The resolution setting knob is used to set the spectral resolution of the instrument. Please note that the
resolution setting of the MR100 is not controlled by software. The resolution setting is effective right
after the selection is made. The scan length is a function of the resolution setting. After changing this
setting, the frequency at which the DATA LED's flashes changes accordingly.
Please note that the data cable can be connected or disconnected at any time whether the unit is turned
on or not. Doing so will not harm the equipment.
MR200: In addition to the data connector, the AC power inlet, input power selection, on-off switch and status
display can be found on this connector plate. The status display is always active when the instrument is
powered up. It is used to show the progress of the power up self test sequence and to indicate faults in
the instrument. When the instrument is working correctly the display will show 7, 9 or A depending on
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MR200 connector plate showing fibre optics connector.
MR Series FT-Spectroradiometers