METEK GmbH uSonic-2 39
HC=0 : No head correction is active.
HC=5 : The 2D-head correction is active.
HD Sensor head down
Possible settings 0, 1
The command HD defines the mounting of the sensor head.
The wind components will be calculated accordingly.
HD=0 The uSonic-2 is mounted like shown in this manual.
HD=1 The uSonic-2 is mounted with the sensor head downwards.
HE Heater Error
Possible settings 0 or 1
If the heater is switched on and a malfunction of the heater is detected,
the analog output ports will get the status defined by command AE.
HE=0 defective heater indication switched off
HE=1 defective heater indication switched on
See chapter 4.2.4
HT Heating, sensor head heater (option)
Possible settings 0, 1, 2 or 3
The command HT controls the operation of the sensor head heater.
HT=0 heater switched off
HT=1 heater switched on
HT=2 heater switched automatically
(switched on @ T < 4.5 °C; switched off @ T > 5.5 °C)
HT=3 test mode for the sensor heating and must not be used
by the customer.
If HT is set to “2” the uSonic-2 identifies implausible values after a power new
start, the uSonic-2 supposes an iced sensor head and the heater will be switched
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