Instructions

11.Appendix
133
Appendix D: Multimeter (optional) Fuse Replacement
To test the multimeter fuse:
1. Push DMM button on the front panel. Select in the bottom menu, select R.
2. Connect the red test lead to the terminal on the back of the
oscilloscope.
3. Touch the test prod to the 10A or mA terminal on the back of the oscilloscope to the
tested.
4. If the measured value is below 10Ω, the fuse is OK.
If the display continues to show "OL", the respective fuse is defective and needs to be
replaced.
Multimeter Fuse
0.5 A/1000 VDC, fast-acting fuse,
Φ
6.35 x 32 mm
10 A/1000 VDC, fast-acting fuse,
Φ
6.35 x 32 mm
Use only the correct fuse type. Failure to do so could result in personal injury or
instrument damage.
To replace the multimeter fuse:
1. Switch off the instrument. Remove the power cord. Remove all test probes and test
leads connected to the instrument.
2. Remove the rear panel.
3. Use a screwdriver to remove the defective fuse.
4. Replace the fuse with a new one, which should match with the rating.
5. Install the rear panel.
Appendix E: Line Fuse Replacement
The line fuse is in the plastic fuse box below the power line input on the rear panel.
Warning:
Disconnect the line cord at the rear panel and remove all test leads
connected to the instrument before replacing the line fuse. Failure to do so
could expose the operator to hazardous voltages that could result in personal
injury or death.
The rating of replaceable fuse is 2 A, T class, 250 V, Φ5 x 20 mm. Use only the correct
fuse type. Failure to do so could result in personal injury or instrument damage.
To perform the line fuse replacement, follow these steps:
1. Remove the power cord.
2. Use a screwdriver to remove the fuse box.
Warning:
Only qualified personnel can carry out the multimeter fuse replacement
operation.