14
Threshold
Low
High
High
and Low
The slope of the low threshold level can be adjusted with the
LEVEL control
The slope of the high threshold level can be adjusted with the
LEVEL control
The slope of the high and low threshold level can be adjusted
with the LEVEL control
Slew Rate = (High threshold level – Low threshold level) / Time
RS232 Trigger and Decode (Optional)
•
Press the DECODE button at the right corner, choose the TYPE option to open
the protocol type list. Rotate the multi-purpose control to select to RS232 protocol
mode, and press the control to open the RS232 protocol mode.
•
TRIGGER SOURCE: Select the Source Channel
•
Select this option and the source font will become green. Press any signal source
button to switch between CH1-CH4 as the source. The appropriate logic level can
be adjusted when the corresponding signal source is selected. The way to adjust
the signal level is the same with adjusting the trigger level.
•
To avoid the effect of noise, it is suggested to set the level compare at the
waveform centre area to obtain accurate results.
•
TRIGGER SETTING: Set the Trigger Selection
•
Select this option to enter the trigger setting menu. The Trigger Mode can be set
to Auto or Normal. The Trigger Coupling can be set to DC, AC, low frequency, high
frequency suppression, or noise suppression. Select RETURN to return to the
previous menu.
•
BIT SETTING: Set the Data Bit
•
Select this option to enter the bit setting interface.
•
DATA BIT WIDTH SETTING: Select DATA BIT WIDTH SETTING, and the data bit
width selection list will pop up.
•
Press the DATA BIT WIDTH SETTING selection key again to switch between
5/6/7/8 bits. The data bit width can also be selected using the multifunction control.
•
Press the control to confirm the selected data bit width.
