Setra Systems Lite Installation & Operating Manual page 13

Press and hold the RIGHT button ("") to adjust the alarm door delay (i.e. number of seconds
before the LED ring will turn red when pressure alarm limits are exceed); the screen text will
flash 3 times to indicate that the setting is ready to be adjusted.
Use the LEFT ("") and MIDDLE ("") buttons to adjust between 000 and 999 seconds. If you
hold the adjustment button, numbers will accelerate for convenience.
When finished, press the RIGHT button ("") to save the setting. The screen text should flash
3 times to indicate return to the main configuration selection screens.
5.2.4 Room
Press and hold the RIGHT button ("") to adjust the room pressurization (i.e. whether the
room is positively or negatively pressured); the screen text will flash 3 times to indicate that
the setting is ready to be adjusted.
Use the LEFT ("") and MIDDLE ("") buttons to adjust between positive ("POS"), negative
("NEG"), or neutral ("OFF").
When finished, press the RIGHT button ("") to save the setting. The screen text should flash
3 times to indicate return to the main configuration selection screens.
5.2.5 Display
Press and hold the RIGHT button ("") to adjust display behavior (i.e. whether the LCD display
shows the digital pressure reading by default); the screen text will flash 3 times to indicate that
the setting is ready to be adjusted.
Use the LEFT ("") and MIDDLE ("") buttons to adjust between showing a digital reading by
default ("ON"), or showing a blank screen ("OFF").
Note: When display is set to "OFF", the digital pressure reading is still viewable by pressing
the front lens and then numbers will vanish after 3 seconds.
When finished, press the RIGHT button ("") to save the setting. The screen text should flash
3 times to indicate return to the main configuration selection screens.
13