GW Instek GDS-122 User Manual - Manual (Page 12)

Using the Oscilloscope
23
Setting the
vertical position
1. Press the OSC OPTION key
repeatedly until the following
menu appears on the display.
– Time
– CH1 (or CH2) Zero
OSC
OPTION
2. Use the Up/Down key to change the vertical
position.
Original
Setting the
vertical scale
1. Press the OSC OPTION key
repeatedly until the following
menu appears on the display.
– Time Base
– CH1 (or 2) Volts/Div
OSC
OPTION
2. Use the Up/Down key to change the vertical
scale.
Original
Turning the
channel on/off
1. Press the MENU key and use the Up/Down
keys to select the CH1(CH2) SETUP menu.
2. Press F2 (Channel) repeatedly to turn on or off
the channel.
GDS-122 User Manual
24
MENU
CH1 SETUP
CH2 SETUP
ON
Channel
OFF
F2
Note that when using the Autoset function
(page
127H
18), channels are automatically turned on or
off.
Selecting the
coupling mode
1. Press the MENU key and use the Up/Down
keys to select the CH1(CH2) SETUP menu.
2. Press F1 (Coupling) repeatedly to select DC,
AC, or Ground coupling.
MENU
CH1 SETUP
CH2 SETUP
AC
Coupling
DC
Ground
F1
The DC coupling shows both DC and AC
signal.
The AC coupling only shows the AC signal.
The Ground coupling shows the ground line.
DC coupling
(center point is at the
bottom due to DC
offset)
AC coupling
(center point is at the
middle since the DC
offset is being
removed)
Inverting the
channel
1. Press the MENU key and use the Up/Down
keys to select the CH1(CH2) SETUP menu.
2. Press F4 (Inverted) to invert the waveform.