Led commands, Commands – Vaisala HMP230 User Manual
Page 153
HMP230 SERIES
M210225en-B
Appendix 9: Re-gaining
147
suitable in an ambient with a gas flow rate of 2 m/s or more around the sensor
head. Furthermore, if the settling time is very long and the temperature
difference small (close to zero) and the ambient temperature changes during
re-gaining, the sensor may not reach the temperature difference within the
settling time and the transmitter will remain inactive for a long period of time.
3.
LED COMMANDS
Re-gaining can be started manually using the LED command
ll¡¡ (l = lit,
¡ = dark). Use the up and down press switches (marked with arrows in the
printed board) to find the command code and acknowledge it with the ENT
switch. The re-gaining parameters stored in the transmitter memory are used.
When re-gaining is over the LEDs are dark again.
OPENED COVER OF THE HMP 230
press switches
LEDs
UP
DOWN
ENT
Location of the press switches and LEDs