10
Auto Power-off
If you do not operate the keys for approximately 15 minutes, the auto power-off function will be activated,
causing the power to turn off automatically. When continuous measurement is to be performed for more
than 15 minutes, cancel the auto power-off function as follows.
(1) While holding down the HOLD key, press the POWER key to turn on the power.
(2) “ ” will appear on the display. After approximately three seconds, wind speed measurement
mode will be invoked, and the auto power-off function will be disabled until the power is turned off by
pressing the POWER key.
Using an AC Adapter
We recommend that the AC adapter (option) be used when you continue to use this device for a long
time. Insert the AC adapter plug into the AC adapter jack on the main unit. If an AC adapter other than
that provided by our company is to be used, make sure that it meets the following specifications.
Output voltage: 9VDC±10%
Rate current: 10mA
Polarity:
Jack dia.
φ5.5 (D' DIAφ1.35)
Caution
- Do not use any AC adapter other than those shown above. Otherwise, failure may result.
5. Error Codes
Error Display
If “
” appears on the display, the probe is not connected to the main unit or the probe connector is not
connected properly. The device will make a beep sound to notify the user that the probe is not connected
properly. In this case, turn off the power and check the connection. If “ ” still appears even after you
have checked that the probe is connected properly, the sensor probe may be faulty. Contact the store
from which the device was purchased or our service network. If an airflow rate of more than 99.00
m
3
/sec is measured in ai
rflow rate measurement mode, “ ” will appear on the display. Always use this
device within the specified measurement range (0.01 to 99.00 m
3
/sec).
