Instruction manual

20. CHANGING THE SETTINGS
110
& Prism constant correction
Reflective prisms each have their prism constant.
Set the prism constant correction value of the reflective prism you are using. When selecting "N-
Prism" in "Reflector", prism constant correction value is set to "0" automatically.
I "ppm" tab
• [0ppm]: Atmospheric correction factor returns to 0 and temperature and air pressure are set to
the factory settings.
• Atmospheric correction factor is calculated and set using the entered values of the temperature
and air pressure. Atmospheric correction factor can also be entered directly.
• Wnen the settings here are different between basic mode and program mode, program mode
settings are prior for use.
Items set, options, and input range (*: Factory setting)
Temperature: -30 to 60°C (15*), -22 to +140°F (59*)
Pressure: 500 to 1400hPa (1013*), 375 to 1050mmHg (760*),
14.8 to 41.3 (inchHg) (29.9*)
Humidity: 0 to 100% (50*)
ppm (Atmospheric correction factor): -499 to 499 (0*)
•The "Humidity" item is displayed only when the "ppm setting" in "Obs. condition" is set to
"+Humidity".