Getting Started
Before connecting and powering up the instrument, review the instructions in this chapter.
2.1 Input Power Requirements
The oscilloscope has a universal AC input that accepts line voltage and frequency input within:
100 - 240 V (+/- 10%), 50/60 Hz (+/- 5%)
100 - 127 B, 400 Hz
50 W Max
Before connecting to an AC outlet or external power source, be sure that the power switch is in the OFF position and
verify that the AC power cord, including the extension line, is compatible with the rated voltage/current and that there
is sufficient circuit capacity for the power supply. Once verified, connect the cable firmly.
The included AC power cord is safety certified for this instrument operating in rated range. To change a cable or add
an extension cable, be sure that it can meet the required power ratings for this instrument. Any misuse with wrong or
unsafe cables will void the warranty.
SHOCK HAZARD:
The power cord provides a chassis ground through a third conductor. Verify that your power outlet is of the
three conductor type with the correct pin connected to earth ground.
2.2 Fuse Requirements and Replacement
For continued fire protection at all line voltages replace only with a 1.25 A / 250 V "F" rated, 5 x 20 mm
fuse.
For safety, no power should be applied to the instrument while changing line voltage operation. Disconnect all
cables connected to the instrument before proceeding.
Summary of Contents for 2194
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