Instructions
4.Advanced User Guidebook 
48 
right of the screen, for example, ,indicates that trigger type 
is RS232, CH1 trigger level is 0.00mV. 
Format as shown in the figure below, 
 RS232 Trigger 
RS232 Trigger menu list: 
MENU 
SETTING 
INSTRUCTION 
Bus Type  RS232  Set vertical channel bus type as RS232 trigger. 
Input 
Sour
ce 
CH1 
Select CH1 as the trigger source. 
Select CH2 as the trigger source. 
CH2 
Pola
rity 
Nor
mal 
Select polarity of data transmission as Normal. Select 
polarity of data transmission as Inverted. 
Inve
rted 
When 
Start 
Trigger on the start frame of position. After choosing 
this condition, press Configure to enter detailed 
settings. 
Error 
Trigger when error frame is detected. After choosing 
this condition, press Configure to enter detailed 
settings. 
Chk Error 
Trigger when Chk Error is detected. After choosing 
this condition, press Configure to enter detailed 
settings.  
Data 
Trigger on the last bit of the preset data. After 
choosing this condition, press Configure to enter 
detailed settings. 
Configure 
Start 
Common Baud: adjust M  knob  to choose common 
baud. 
Custom Baud: adjust M knob to choose baud, ranges 
from 50 to 10,000,000. 
Error 
Stop Bit
:
Select “1”or ”2”. 
Parity: “NO””EVEN””ODD”   
Common Baud: adjust M  knob  to choose common 
baud. 
Custom Baud: adjust M knob to choose baud, ranges 
from 50 to 10,000,000. 
Chk Error 
Even-Odd
:
Select Even or Odd. 










