Remote Control; Gpib Address; Power Autoranging/Manual Control - ILX Lightwave OMM-6810B User Manual

Remote Control

When the OMM-6810B is addressed by a host computer the LED indicator above
the LOCAL button is illuminated and the front panel is disabled from manual
control. Press LOCAL to return to LOCAL (front panel) control.

GPIB Address

When the unit is in LOCAL mode, pressing the LOCAL switch causes the GPIB
address to be displayed. The GPIB address may be changed by the following
procedure.
• Press and release the LOCAL button. If the current GPIB address is not shown on the left
• Use the POWER UP or DOWN arrow keys to select the desired GPIB address. The usable
• In three seconds the new address is stored and the display returns to standard

Power Autoranging/Manual Control

In manual gain control, the POWER UP and DOWN arrow buttons are used to
select one of eight electrical gain ranges. The magnitude of the gain change is
evident by viewing the display. Use the POWER UP/DOWN buttons to increase
and decrease the gain. The linear power units and position of the decimal point
are appropriately chosen, but frozen, for that gain range. If the POWER UP or
DOWN arrow buttons are pressed and the normal "click" is not heard, then the
maximum (or minimum) gain range has been reached.
If the POWER UP or DOWN buttons are pressed while the POWER AUTO
indicator is lighted, the 6810B is forced into manual gain control.
If switching from autoranging to manual gain control, the OMM-6810B continues
to meausure wavelength until the gain range is changed.
01_10
display, press and release LOCAL again.
range is 0 to 30.
measurements.
Press the POWER AUTO button to toggle the unit between
automatic and manual gain ranging. If the LED above the POWER
AUTO button is lighted the unit is in autoranging mode where the
instrument automatically selects the electrical gain range. In
autoranging, the 6810B automatically chooses the power units
(pW, nW, W, mW or W).
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
2
C H A P T E R
11
OMM-6810B
