Figure 1: Power cord connector and power standby switch
2. Connect the power cord to an appropriate AC mains source.
Power is supplied to the power supply and some other boards whenever the AC power cord is connected to a live mains circuit, putting
the instrument in standby mode.
3. Push the front panel power button to power the instrument on and of
f.
The power button color indicates instrument power states:
Unlit – no AC power applied
Yellow – standby mode
Blue – powered on
4. To completely remove power from the instrument, disconnect the power cord.
Check that the oscilloscope passes power-on self tests
Power-on self tests verify that all oscilloscope modules are working correctly after power up.
Procedure
1. Power on the oscilloscope and wait until the oscilloscope screen appears.
2. Select Utility > Self Test from the top-edge Menu bar to open the Self Test configuration menu.
3. Check that the status of all power-on self tests are Passed.
If one or more power-on self tests shows Failed:
a. Power cycle the oscilloscope.
b. Tap Utility > Self Test. If one or more power-on self tests still shows Failed, contact Tektronix Customer Support.
Secure (lock) the oscilloscope
Lock an oscilloscope to a test bench or equipment rack to prevent property loss.
Attach a standard laptop security lock to the rear panel of the oscilloscope, to secure the oscilloscope to a workbench, rack, or other
location.
Install your instrument
3 Series Mixed Domain Oscilloscope Printable Help 35
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