381295 381295-220 V1.3 5/06
4
Quick-Start
Power On and Off
1.Pressing and holding this button for 2 to 3
seconds will turn the unit on. Pressing this
button again will turn the power off.
Division, Trigger and Function key
1
Division key:
Adjusts vertical division or Horizontal
division.
2 Trigger key:
Adjusts Trigger level.
Selects Single shot mode.
Selects trigger setup.
3
Function key
:
Selects Scope Setup.
Selects general setup.
Input Terminals
1
Channel A
:
Always use the red channel A input for single
input measurements.
2
Channel B
:
For measuring two signals, use Channel B with
Channel A.
3
Common
:
Use the black common as signal ground for low frequency measurements and for
ACV, DCV, Ohm, and Continuity measurements.
4
External trigger
:
The EXT.TRIG input accepts external trigger signals.
Command (F1-F4), Arrow, Backlight and Help key
1
Function Command keys
:
F1 through F4 are command ‘soft’ keys.
Their functions change with each screen.
2
Four arrow keys
:
These keys serve as the primary means
of navigating the instrument’s menus and
operating displays.
3
Help key
:
General information for the meter is available with a press of this key.
4
Display back light
:
Press this button to turn on the backlight. To turn the back light off, press this button
again.
