Owon HDS-N Series Uživatelský manuál Strana 82
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Hodnocené. / 5. Na základě hodnocení zákazníků
OWON HDS-N Series Handheld DSO & DMM 9- Trouble Shooting
76
9. Trouble Shooting
1. The oscilloscope does not power up
It may be caused by the dead battery. At this time, the oscilloscope will not start even if it is
powered by the battery charger. Firstly, charge the battery and supply the oscilloscope with
power through the battery charger. However, don't switch on the oscilloscope till waiting for
15 minutes. If the oscilloscope still cannot start, please contact OWON for service.
2. The oscilloscope stops working only after operating for several seconds
Probably the battery is dead; Check the battery symbol at the upper left of the screen. The
symbol indicates that the battery has been run out of power and must be charged.
3. The measurement type displays ERR when you switch to the Multimeter
mode.
Probably you do not select the measuring mode. In this case, push down any key of the three
keys A, V or R. Thus, the relative measuring mode will be shown on the screen. If the ERR is
still displayed, restart the oscilloscope.
4. The measured voltage amplitude value is 10 times larger or smaller than the
real value under the oscilloscope mode.
Check whether the channel attenuation level matches the actual probe attenuation ratio.
5. The waveform is displayed on the screen but is not stable under the
oscilloscope mode.
Check whether the signal item in the trigger mode menu matches the actually used signal
channel.
Check on the trigger mode: The edge trigger mode is applicable to the universal single
and the video trigger mode applicable to the video signal. Only when the proper trigger
mode is applied, can the waveform be in stable.
Try to change the trigger coupling into the HF rejection and LF rejection to filter the HF
or LF noise trigger by the interference.
6. There is no display on the screen when you push down RUN/STOP key under
the oscilloscope mode.
Check whether the trigger mode in the trigger mode menu is in normal or single shot and
whether the trigger level is out of the waveform range.
In such condition, adjust and make the trigger level in the middle or select the non-auto
trigger mode. Additionally, press the AUTO SET key and complete the above setting
7. When select the average sampling in the sampling mode or select a longer
display time in the display mode under the oscilloscope, the display speed is
slow.
It is normal in the above case.
- WWW.OWON.COM.HK 1
- Branch: 2
- Oct. 2014 edition Ver1.5.5 2
- Headquarter: 2
- General Warranty 3
- Table of Contents 4
- 1. Declaration of Conformity 7
- 1.2 Package Contents 8
- 2. Safety Information 9
- Oscilloscope 10
- Electrical Outlet 10
- 3. General Characteristics 12
- 5. Input Connections 14
- See the following Figure 4: 15
- 6. Using the Oscilloscope 18
- 6.4 Menu Description 20
- Setting the Vertical System 21
- 6.6 Recall factory settings 24
- 6.7 Input Connections 25
- 6.10 Automatic Measurements 26
- 6.11 Freezing the Screen 27
- 6.15 Selecting AC-coupling 30
- 7. Using the Multimeter 34
- 7.4.2 Measuring Diode 36
- 7.4.3 On-off Test 37
- 7.4.4 Measuring Capacitance 37
- 7.4.6 Measuring AC Voltage 39
- 7.4.8 Measuring AC Current 41
- 7.5 Freezing the Readings 42
- 8.1 About this Chapter 45
- 8.5 Triggering Control 50
- 8.5.2 Video Trigger 51
- 8.5.3 Alternate trigger 53
- 8.7 Display Setting 56
- 8.7.2 Persistence 57
- 8.7.3 XY Mode 57
- 8.8 Waveform Saving Setups 58
- 8.9 Function Setting Menu 61
- 66
- 8.12 Autoscale 67
- 8.13 Record 69
- 8.14 Using FFT 72
- waveform component 77
- 8.15 System State Menu 78
- System State 78
- 8.15.1 Real time clock 79
- Zone Window 80
- 8.17 Data Transmission 81
- 9. Trouble Shooting 82
- 10. Appendix 83
- 2 Hz to full bandwidth 85
- 10.2.1 Maintenance 88
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