JRC JCY-1800 Instruction Manual page 111

7.5.3. Clear the result of monitor
The result of monitor can be cleared.
Click the [Clear] button.
7.5.4. The wrong result of monitor
When the monitoring dry contact state shows contrary information to the outputting information of the connected
equipment, correct the setting data of the NCT-72/63.
Since the dry contact state (OPEN/CLOSE) which shows a normal state is set up conversely.
JCY-1800/1850 VDR/S-VDR Maintenance Software Instruction Manual
105
7. Real time Monitor (Menu)
DOC No. 7ZPNA4014