YOKOGAWA WT1800 User Manual page 81

4.6 D/A Output and Remote Control (D/A OUTPUT; option)
Updating Held Display Data (The same functionality as pressing
SINGLE)
While the display is being held, you can update it by applying an EXT SINGLE signal.
EXT SINGLE
Note
If the width of the low pulse of the EXT SINGLE signal does not meet the conditions shown in the above
figure, the signal may not be detected by the WT1800.
Printing on the Built-In Printer (Option; the same functionality as
pressing PRINT)
Apply an EXT PRINT signal as shown in the following figure.
EXT PRINT
4-10
40 ms or more
40 ms or more
IM WT1801-03EN