Section 2—2213 Service
OPERATING INSTRUCTIONS
PREPARATION FOR USE
SAFETY
Refer to the Safety Summaries at the front of this
manual for power source, grounding, and other safety
considerations pertaining to the use of the 2213. Before
connecting the instrument to a power source, carefully read
the following information about line voltages, power cords,
and fuses; then verify that the proper power-input fuse is
installed.
LINE VOLTAGE
The instrument is capable of continuous operation
using ac-power-input voltages that range from 90 V to
250 V nominal at frequencies from 48 Hz to 62 Hz.
POWER CORD
For the 120-V North American customer, the 2213 is
delivered with a three-wire power cord permanently
attached. A t the end of the cord is a three-contact plug for
connection to the power source and to protective ground.
The plug's protective-ground contact connects (through the
protective-ground conductor) to the accessible metal parts
of the instrument. For electrical-shock protection, insert
this plug only into a power-source outlet that has a securely
grounded protective-ground contact.
For the non-North American customer (and for the
240-V North American user), the appropriate power cord
is supplied by an option that is specified when the instru
ment is ordered. The optional power cords available are
illustrated in Figure 2-1.
LINE FUSE
The instrument fuse holder is located on the rear panel
(see Figure 2-2) and contains the line fuse. Verify that the
proper fuse is installed by performing the following
procedure:
1. Unplug the power cord from the power-input source
(if applicable).
2. Press in and slightly rotate the fuse-holder cap coun
terclockwise to release it.
3. Pull out the cap from the fuse holder, with the fuse
attached to the inside of the cap.
4. Note fuse values and verify proper size (2 A, 250 V,
fast-blow).
5. Reinstall the fuse and fuse-holder cap.
@
2-1
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