Agilent Technologies N9039A Service Manual page 20

Overview
Before You Start Troubleshooting
This is a Safety Class 1 Product (provided with a protective earthing ground
WARNING
incorporated in the power cord). The mains plug shall only be inserted in a
socket outlet provided with a protective earth contact. Any interruption of the
protective conductor inside or outside of the product is likely to make the
product dangerous. Intentional interruption is prohibited.
Always use the three-prong ac power cord supplied with this product. Failure to
CAUTION
ensure adequate earth grounding by not using this cord may cause product damage.
This instrument has an autoranging line voltage input; be sure the supply voltage is
CAUTION
within the specified range.
Since the N9039A is running a Windows operating system, do not shut it down by
CAUTION
removing the AC power to the instrument either by pulling the power cord out
from the rear panel of the instrument or, if being used in a test equipment rack, by
turning off the rack power supply. Instead turn the instrument off by one of the
following methods:
1. Use the front panel power switch and allow the instrument the needed time for
2. Manually close all running software applications and then shut the instrument
20
it to close all running software applications and shut-down the operating
system before it turns the power off.
down by selecting ,
Start
.
Shutdown
Chapter 1