TECPEL OS Series User Manual page 16

OS Series Handheld DSO & DMM
7. AUTO SET: Under DSO mode, automatically selects the horizontal scales, vertical scale, and
trigger level according to the input signal.
8. COPY: Press to save the waveform data into the USB Mass Storage Device.
9. ▲ (red): Adjust voltage scale or vertical position in Channel 1.
10. VOLTS POSITION (red): Switch between voltage scale and vertical position in Channel 1.
11. ▼ (red): Adjust voltage scale or vertical position in Channel 1.
12. ▲ (blue): Adjust voltage scale or vertical position in Channel 2.
13. VOLTS POSITION (blue): Switch between voltage scale and vertical position in Channel 2.
14. ▼ (blue): Adjust voltage scale or vertical position in Channel 2.
15. RUN/STOP: key for running or stopping the operation
16. LIGHT: Light switch.
17. DMM/OSC: Operation mode switching key between oscilloscope and multimeter.
18. MENU ▲: Choose the upper item on the menu list.
19. MENU: Show / Hide the menu
20. MENU ▼: Choose the lower item on the menu list.
21. OPTION: the key for DSO setting and combines with four arrow keys. Then to set main time
base, trigger horizontal position and trigger vertical position. Furthermore the keys possible to
adjust the display multiplying factors of M waveform (CHMath Volts/Div ) and display
vertical position (CHM Zero) during waveform calculation and to adjust cursor 1 (V1 or T1)
and cursor 2 (V2 or T2) position during cursor measurement.
22. ▲ (yellow): Oscilloscope display upward adjustment key.
23. ▼ (yellow): Oscilloscope display downward adjustment key.
24. ► (yellow): Oscilloscope right-direction adjustment key.
25. ◄ (yellow): Oscilloscope left-direction adjustment key.
26. A: Selects DMM current measurement
27. V: Selects DMM voltage measurement
28. R: Selects DMM impedance, diode, continuity and capacitance measurement
29. SET: convert AC and DC during measure current or voltage in Multi-meter; convert
resistance, diode, on-off and capacitance measure during resistance measuring.
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5-Input Connections