User manual

RIGOL
DP800 Quick Guide 13
Power-on Inspection
Press the power switch at the front panel and the instrument executes self-test. If
the instrument passes the self-test, the welcome interface will be displayed;
otherwise, the corresponding self-test failure information (including TopBoard,
BottomBoard, Fan and Temperature) will be displayed.
Tip
When turn the instrument on again after turn it off, please make sure the time
between the two operations are larger than 5s.
To Replace the Fuse
The fuse specification is related to the instrument model and actual input voltage, as
shown in the table below. You can also refer to the “Input Power Requirements” at
the rear panel of the instrument.
Table 3 Fuse Specifications
Input Voltage
Fuse Specification
DP832/DP811
100Vac/115Vac
T6.3A
230Vac
T3.15A
DP831/DP821
100Vac/115Vac
T5A
230Vac
T2.5A
To replace the fuse, follow the steps below.
1. Turn off the instrument and remove the power cord.
2. Insert a small straight screwdriver into the slot at the power socket and prize out
the fuse seat gently.
3. If needed, adjust the power voltage selector manually to select the voltage scale
Fuse Seat
Fuse