CONFIGURE MENU (continued) 
SECOND 
SENSOR 
SPAN 
 
Premium 
models only 
The 2SENSOR SPAN item is used to match or calibrate the 
second PresSura velocity sensors to the average room 
pressure velocity as measured by a portable air velocity meter. 
 
A second sensor span should be established prior to adjusting 
the second sensor span. (see Calibration section following 
menu item listing). 
 
If menu item displays SEC SENS OFF, the second sensor must 
be turned on (menu item 2 SENSOR) to activate the 2SENSOR 
SPAN. 
 
Unit is factory 
calibrated. 
No initial 
adjustment 
should be 
necessary. 
The ELEVATION item is used to enter the elevation of the 
hospital above sea level. This item has a range of 0 to 10,000 
feet in 1,000 foot increments. The pressure value needs to be 
corrected due to changes in air density at different elevations. 
 
0 to 10,000 feet above 
sea level 
The ACCESS CODE item selects whether an access code 
(pass code) is required to enter the menu. The ACCESS CODE 
item prevents unauthorized access to a menu. If the ACCESS 
CODE is ON a code is required before the menu can be 
entered. Conversely if the ACCESS CODE is OFF no code is 
required to enter the menu.  
 
The END OF MENU item informs you that the end of a menu 
has been reached. You can either scroll back up the menu to 
make changes, or press the SELECT or MENU key to exit out 
of the menu.