OWON HDS Series - Manual (Page 17)

OWON HDS Series Handheld DSO & DMM 5-Input Connections
4. Backlight switch .
5. POWER: Power switch.
6. A: Multimeter current measurement key.
7. V: Multimeter voltage measurement key.
8. R: Multimeter resistance, triode, On/Off and capacitance measurement key.
9. OSC ◄: Oscilloscope left-direction adjustment key.
10. OSC ►: Oscilloscope right-direction adjustment key.
11. OSC OPTION: Oscilloscope setting key.
z With the combination application of the four keys OSC ◄, OSC ►, OSC ▲ and OSC ▼, the
users can make the following settings circularly by pressing OSC OPTION. The settings
include: Voltage Unit Scale of Channel 1 (CH1 VOL); Voltage Unit Scale of Channel 2 (CH2
VOL); Primary Time base (TIME BASE), zero point position of channel 1(CH1 ZERO), zero
point position of channel 2(CH2 ZERO), trigger horizontal position (TIME) and trigger level
position (TRIG).
z When performing Waveform Calculation, the users can also adjust and calculate the Display
Multiplying Factor of waveform (CHM VOL) and the vertical display position (CHM ZERO).
z In cursor measurement mode, the users can adjust the positions of Cursor 1 (V1 or T1) and
Cursor 2 (V2 or T2).
12. OSC ▼: Oscilloscope display downward adjustment key.
13. OSC ▲: Oscilloscope display upward adjustment key.
14. OSC/DMM: Operation mode switching key between oscilloscope and multimeter.
15. AUTO SET:
z Under the Multimeter Mode, when performing the current or voltage measurement, you can
make a measurement switch between AC and DC with this key pressed; when performing the
resistance measurement, you can select resistance, diode, On/Off or capacitance measurement
circularly with this key.
z While this key is used for auto setting under the oscilloscope operation mode.
16. RUN/STOP: key for running or stopping the operation.
17. MENU ▼: Choose the lower item on the menu list.
18. MENU: Show / Hide the menu
19. MENU ▲: Choose the upper item on the menu list.
20. F1～F5: Switch or Adjust options for each menu.
21. the 5v output port with a frequency of 1 kHz as the test-signal.(only for the HDS1022M )
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