MT4061E Rev.2
15/10/2019
Pagina 43 di 45
- Put in Test/Maintenance and take out of Test/Maintenance the selected
channel
SET / UNSET
Pressing 3-Channel in the Maintenance or the Engineer level it is possible to Set or
Unset parts of the system.
An user with the MAINTENANCE level cannot UNSET more than 50% of the system’s
channels and relays.
The only exception is the ENGINEER level, which may UNSET the whole system if
necessary. It is required to do so for maintenance operations in the installation where
the gas detection systems is installed.
TEST / EXIT TEST
This will put to TEST mode or take out of the TEST (EXIT TEST) mode the selected
channel. It is possible to put in TEST mode just parts of the system when user level is
“Maintenance” or “Engineer”. If more than half of the system is selected, a warning
screen will pop-up.
As far as the number of channels to put in Test/Maintenance mode does not exceed the
defined limits, the selected items will change the status into TEST, as in the screen
below:
Fig. 3.8.4 b)
Screen with channel in “Test”
The channels remain in TEST mode until the Channel Maintenance Time set by the
Configuration software (10-60 minutes) is expired.
The EXIT TEST option takes out of the Test/Maintenance mode the selected channel
In the Channel list (fig. 4.8.4) screen, moving up and down with the arrow keys through
the Detectors list, choose 1 and press ENTER to get into
the detector’s details screen.
This screen is the same for “Operator” and “Maintenance” level, allowing only viewing
the Detector configuration details.
