6-2
IM 701510-01E
6.2
Setting the Edge Trigger
1.
Press the
TYPE key
to display the trigger type selection menu.
2.
Press the “
EDGE
” soft key.
(For DL1520/DL1520L, “
OR
”, “
PATTERN
” and “
WIDTH
” menus
are not displayed. They are optional with DL1540/DL1540L.)
Selecting the trigger source and slope and setting the trigger level
3.
Press the
LEVEL/SOURCE key
to display the trigger source
selection menu.
4.
Press the soft key corresponding to the desired trigger source. The
trigger slope selection menu appears. When “LINE” is selected, this
menu will not be displayed and thus steps 5 to 11 are not necessary.
5.
Keep pressing the soft key corresponding to the selected trigger source
until the desired slope is selected.
6.
Turn the rotary knob to set the desired trigger level.
When “EXT” is selected as the trigger source for DL1520/DL1520L
7.
Press the “
Range
” soft key to display the external trigger range
setting menu.
8.
Press the soft key corresponding to the desired range.
9.
Press the “
Probe
” soft key to display the probe selection menu.
10.
Press the soft key corresponding to the desired attenuation ratio.
11.
Turn the rotary knob to select the desired trigger level for the external
trigger.
Explanation
Types of Trigger sources and setting the trigger slope/level
CH1/CH2/CH3/CH4
Select one of these to select one of the input signals CH1 to CH4 as the trigger source.
The trigger slope can be selected from the following three slope types.
Activates a trigger when the trigger source changes from a level below the trigger
level to one above the trigger level.
Activates a trigger when the trigger source changes from the level above the trigger
level to the one below the trigger level.
Activates a trigger in either of the above cases.
The setting range for the trigger level is within
±
10 div of the vertical sensitivity, but is
however limited by the waveform display frame. For example, when the voltage sensitivity
is set to 50 mV/div, the trigger level to +300 mV and the ground level of the trigger source
is positioned at 0div, the trigger level b250 mV. In case the ground level of the
trigger source is positioned at –3 div, the trigger level b300 mV. The setting step
for the trigger level is 1/50 of the vertical sensitivity.
Keys and Procedure
TYPE key
Rotary knob
Soft keys
LEVEL/SOURCE key
