UNI 321 User’s Guide
6
Configuration Mode
In the configuration mode the user can do a zero (fresh air) calibration and set the high and
low alarm thresholds. In general, use the Left Key to increase the number or confirm, use the
Right Key to move the cursor or move to the next programming item. Detailed configuration
settings can be performed using the mPower Suite software through the UNI Docking Box
MP100T or CaliCase MP300T1 (see UNI or CaliCase manual).
Entering and Exiting Configuration Mode
Press and hold the Left Key and the Right Key simultaneously for 3 seconds. The unit
prompts for a password by displaying
and
, with the first digit flashing. The
UNI 321 preset password is 0000. Use the Left [OK↑] Key to increase the number, and the
Right [→ ] Key to move the cursor. Once all four digits are entered, the cursor will move to
“OK”, causing it to flash. Press the Left Key to accept and enter the Configuration Mode.
To
Exit Configuration Mode
, scroll through the menu using the Right [→ ] Key until EXIT?
is shown, and press Left [OK↑].
Zero (fresh air) Calibration
Zero (Air) calibration is to set the base line for the sensor. It is done in fresh air or other
source known to be free of detectable gas (For an O
2
unit, “zeroing” sets the value to 20.9%,
so air must be used). When the LCD displays
, press the Left Key to begin the air
calibration. The unit will start a 15 second count-down, and then display the calibration result
as either pass
or fail
. The user can abort the zero calibration during the 15
seconds count-down by pressing the Right Key, after which
is displayed.
Set High and Low Alarm Levels
After Air calibration is completed or skipped, the unit displays to set the High Alarm
limit.
•
Press Left to enter the menu. The current setting value is displayed,
with the first digit flashing:
•
Use the Left Key to increase the current digit, cycling from 0 to 9:
•
Use the Right Key to move the cursor to the next digit:
•
After all digits are entered, use the Right Key to move to the “OK”
symbol, and press the Left Key to save the entry. The unit will display
SAVE for a few seconds while storing the value but it is not necessary
to press OK to initiate saving.
•
The display automatically moves to set the Low Alarm limit
Adjust the Low Alarm in the same way as for the High Alarm.
