Extech Instruments MS400 User Manual page 10

Using the four keys OSC LEFT, OSC RIGHT, OSC UP and OSC DOWN, users
can make the following settings by pressing OSC OPTION. The settings include:
Voltage Unit Scale for Channel 1 (CH1 VOL); Voltage Unit Scale for Channel 2
(CH2 VOL); Primary Time base (TIME BASE), zero point position for Channel 1
(CH1 ZERO), zero point position for Channel 2 (CH2 ZERO), trigger horizontal
position (TIME) and trigger level position (TRIG).
When performing Waveform Calculations, users can also adjust and calculate the
Display Multiplying Factor of a Waveform (CHM VOL) and the vertical display
position (CHM ZERO).
In cursor measurement mode, users can adjust the positions of Cursor 1 (V1 or
T1) and Cursor 2 (V2 or T2).
12. OSC DOWN: Oscilloscope display downward adjustment key.
13. OSC UP: Oscilloscope display upward adjustment key.
14. OSC/DMM: Press to switch between oscilloscope and multimeter.
15. AUTO SET:
In the Multimeter Mode, when performing a current or voltage measurement, the
user can switch between AC and DC with this key; when performing a resistance
measurement, the user can select resistance, diode, On/Off or a capacitance
measurement with this key.
This key is used for auto setting in the oscilloscope operation mode.
16. RUN/STOP: key for starting or stopping an operation.
17. MENU DOWN: Move down the menu list.
18. MENU: Show / Hide the menu.
19. MENU UP: Move up the menu list.
20. F1～F5: Switch or Adjustment options for each menu
10 MS400 Version 2.0 – December 2007