LRS Micro-g LaCoste FG5, Manual, Page: 33 / 149

How to Set Up and Run the FG5
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3. How to Set Up and Run the FG5
3.1. Setting Up the FG5
NOTE: These instructions are based on the assumption that all subsystems of
the FG5 are aligned correctly and operating properly. If adjustment or
alignment is necessary, consult chapter 4, “Adjustment and Maintenance” for
instructions, before proceeding with set up. When setting up the FG5, it is
helpful to use the FG5 Setup Checklist in Appendix D.
Locate and mark a reference point on the floor where gravity will be measured.
THE FLOOR SHOULD BE AS CLEAN, SMOOTH, AND LEVEL AS POSSIBLE.
IT IS BEST TO SET UP THE FG5 ON A CONCRETE OR HARD TILE FLOOR!
3.1.1.ELECTRONICS CASE
1. Place the electronics case in a convenient location about 1 meter from the
reference mark.
2. Check the input voltage settings and make sure they are set to the proper AC
line voltage. If the instrument is not set to the correct voltage see appendix A
for instructions on switching the input voltage settings.
3. Make sure the following switches are off :
•
Main AC power (rear)
•
Main DC power (rear)
•
Laser power (main AC power and key switch)
•
Superspring coil
4. If the ion pump has been maintaining the dropper vacuum on battery power,
open the dropping chamber case and apply AC power to the ion pump
power supply. See the Ion Pump Model 125 Manual for more details.
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