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WARNING
To avoid electric shock, ensure that the instrument is correctly grounded.
TIP
If the oscilloscope is equipped with battery pack, the battery will also be powered.
4.3.3 Turn-on Checkout
After the instrument is connected to the power source, press the power switch at
the lower-left corner of the front panel to power on the instrument. During the start-
up process, the instrument performs a series of self-tests. After the self-test, the
splash screen is displayed.
• Restart: Click or tap > Restart. Then a prompt message "Are you sure to
reboot?" is displayed. Click or tap OK to restart the instrument.
• Shutdown:
- Click or tap > Shutdown. Then a prompt message "Are you sure to
shutdown?" is displayed. Click or tap OK to shut down the instrument.
- Press the power switch and a prompt message "Are you sure to
shutdown?" is displayed. Click or tap OK to shut down the instrument.
- Press twice to directly shut down the instrument.
- Press for three seconds to directly shut down the instrument.
TIP
You can also click or tap > Utility > Setup and select "Switch On" in "Power Status" item.
In this way, the instrument powers on once connected to power.
4.3.4 Replacing the Fuse
If you need to replace the fuse, please use the correct fuse (AC 250 V, T3.15 A; 5.2
mm×20 mm) and follow the steps shown below (see
Figure 4.5
).
1. Power off the instrument and remove the power cord.
2. Insert a small straight screwdriver into the slot at the power socket and pry out the
fuse holder gently.
Quick Start
DHO4000 User Guide
14
Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
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