User Manual

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 (CHM ) 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.
30. Output Socket of 1kHz 5V Square Wave Signal
5. Using the Oscilloscope
5.1. Powering Up the Oscilloscope
* Connect oscilloscope to AC power via AC-DC adapter as shown in Figure 1. (The oscilloscope may still
work with built-in Li-ion battery even without AC power supply)
* Turn the oscilloscope on by pressing down the power on/off key POWER.
* The instrument then performs Selfchecking after power on. a greeting window and a sentence “press any
key to continue……” will display on the screen when the system finishes selfchecking.
* The users can press any key to enter the measuring function.
* The oscilloscope is powered up in its last setup configuration.
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