Thies CLIMA Winddisplay LED - COM2;COM3 Input (NMEA DDC); COM4 + COM5 Output (NACOS + CUSTOMER)

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COM2 and COM3 input (NMEA DDC):
With this telegram the brightness of the display can be adjusted in 4 steps.
Note: After receiving a valid DDC telegram, the normal brightness setting via the buttons
(Mode0) is blocked.
$__DDC,a,,,C*HL<CR><LF>
a: display-brightness level D=Daytime (day)
K=Dusk (Dusk)
N=Nighttime (night)
O=Backlighting off
The brightness of the DDC levels is programmed using modes 8 to b (see chap. 9).
COM4 + COM5 Output (NACOS + CUSTOMER)
NMEA 0183 V2.0
Outputs NACOS + CUSTOMER interface with following output telegrams are issued in
succession, in the order described below.
1:
2:
3:
$WIMHU,hhh.h,aaa.a,ddd.d,C*HL<CR><LF>
Unit: °C
Value dew point temperature in °C
Value relative humidity in %
Value absolute humidity in g/m
3
$WIMTA,ttt.t,C*HL<CR><LF>
Unit: °C
Temperature value in °C
$WIMMB,ii.ii,I,b.bbb,B,*HL<CR><LF>
Value barometr. Pressure in bar
Unit: bar
Unit: inch Hg (mercury)
Value barometr. pressure in inch Hg (mercury)