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Getting Started
1-13
Power-up
Line power connection
Follow the procedure below to connect the Model 6487 to line power and turn on the
instrument.
1.
Check to see that the line voltage indicated in the window of the fuse holder assem-
bly (
) is correct for the operating voltage in your area. If not, refer to the
procedure in Section 17 of the Model 6487 Reference Manual for setting line volt-
age and fuse replacement.
CAUTION
Operating the instrument on an incorrect line voltage may cause dam-
age to the instrument, possibly voiding the warranty.
2.
Before plugging in the power cord, make sure that the front panel power switch is
in the off (O) position.
3.
Connect the female end of the supplied power cord to the AC receptacle on the rear
panel. Connect the other end of the power cord to a grounded AC outlet.
WARNING
The power cord supplied with the Model 6487 contains a separate
ground terminal for use with grounded outlets. When proper connec-
tions are made, instrument chassis is connected to power line ground
through the ground wire in the power cord. Failure to use a grounded
outlet may result in personal injury or death due to electric shock.
4.
Turn on the instrument by pressing the front panel power switch to the on (
I
) position.
Line frequency
The Model 6487 operates at line frequencies of 50 or 60Hz. When auto detect is enabled
(factory default), line frequencies are automatically sensed and set accordingly, therefore
there are no switches to set. Use the :SYST:LFR? command (query) to read the line fre-
quency. The factory default setting is auto detect enabled.
If the power line is noisy, auto detect may not be able to lock in on a frequency. If this
occurs, set the frequency manually. This may be accomplished using the front panel or
over the bus. From the front panel, use the MENU/LFREQ selection to change the fre-
quency. Via remote, send the SYST:LFR <freq> command.
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