Xylem H-3531 FlashLite - Manual (Page 36)

4-12 Simple RS-232 Menu Interface
H-3531
duration. After pressing the D key the user will see the following prompt at the bottom of
the menu.
Enter Purge Duration(10-240)[ ]
Then the user can enter in the new purge duration and press the Enter key to input the
value. After the purge duration is entered the screen will refresh with the purge duration
changed. If the user does not want to edit the purge pressure then press the ESC key to
abort. The user can change the purge duration from 10 to 240 seconds.
4.6.6 A - Auto Purge
This option is for enabling/disabling auto purge. When enabled the H-355 Gas Purge
System will purge automatically when the line pressure meets or exceeds the purge
pressure value. After pressing the A key the screen will refresh with the option changed.
4.5.7 T - Purge Threshold
This option is for displaying the current purge threshold for the auto purge and also for
editing the purge threshold. After pressing the T key the user will see the following
prompt at the bottom of the menu.
Enter Purge Threshold(10-65)[ ]
Then the user can enter in the new purge threshold and press the Enter key to input the
value. After the purge threshold is entered the screen will refresh with the purge threshold
changed. If the user does not want to edit the purge threshold then press the ESC key to
abort. The user can change the purge threshold from 10 to 65 psi.
4.6.8 M - Manual Purge
This option is for requesting the H-355 Gas Purge System to purge. After pressing the M
key the user will see the following message at the bottom of the menu.
Initiating Purge...
The screen will refresh once the request has been made successfully and the H-355 Gas
Purge System will purge shortly following the refresh.
4.6.9 U - Update All Values
This option is for requesting all new updated values from the H-355 Gas Purge System.
After pressing the U key the screen will be cleared and the user will see the following
message at the top of the screen.
Gathering H-355 Bubbler Data...
The screen will refresh with the new values once the request has been made successfully.