Page
11
English 18259
SUMMARY PRINT
The bottom line displays PRINT
Press ENTER to select and EXIT
Maximum, minimum and average readings are shown.
CLEAR
The top line will display CLEAR
The bottom line will display NO
Use the UP/DOWN keys to toggle between
NO and YES
Press ENTER to select and exit .
4.3
CHANGING THE PUMP SPEED
The pump speed is toggled using the UP or Down key.
The choices are Full Speed or Quiet.
Press ENTER to select and exit
4.4 MANUAL
ZEROING
From the MENU function you can choose to re-zero at any time except when auto
storing.
The zeroing options are fresh air zero or true zero
Use the UP or Down button to chose and ENTER to select. Once zeroing has
commenced it will continue until completed whatever you do with the rotary dial.
Fresh air zero should be completed by pressing enter. The normal value of 400 for
fresh air may be adjusted using the up or down keys. (The value first displayed when
entering this mode is the analysers current measured value).
4.5 ALARMS
Select ALARMS from the menu and use the UP or Down buttons and Enter to alter
the alarm points if different alarm positions are required to the preset alarms. The
instrument will store new alarm settings. The last CO
2
alarm point set will be recalled
at switch on. As a safety measure the CO alarm will be set to 35ppm at switch on
unless a lower level is set.
