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T O P I C    R E V I E W
thermiekfabriek Posted - 13/12/2009 : 22:23:47
This year,in september, I fly in the France Alps, with water.
I want to know at a certain height it is below 0 gr C.
In the Duo Discus we had a temperature meter.
I'm interested in the 'forecast temperature' in LK8000. I tested:
- Config -> setup system -> 8 devices -> GPS alt offset = 1000m
- Config -> setup basic -> max temp = 10 gr C
- Configured at 'Infobox Aux' a button for 'forecast temperature', display as Maxtemp.
- The displayed value is '---'.
Is there a explanation why there is no value?

The Btemp value in the SYS menu says 34 gr C (inside it's 20gr C, at the moment). Where is the value Btemp based on?
Nothing found on 'temperature' in XCSoar manual.
5   L A T E S T    R E P L I E S    (Newest First)
thermiekfabriek Posted - 28/12/2009 : 21:34:44
1.18a: Checked OAT temp. Read help on this. You need a probe for OAT.

I was thinking of a simple approach, without a probe:
- config -> setup basic -> define 'Max temp' (forecast ground temp)
- 'Forecast Air Temp' (shortname FAT) is calculated.
- FAT temp = Max temp - (0,0065 * height).
thermiekfabriek Posted - 22/12/2009 : 19:24:06
great!
Coolwind Posted - 22/12/2009 : 15:44:19
OAT (outside air temperature) is now correctly managed in 1.17g
thermiekfabriek Posted - 22/12/2009 : 14:14:30
Can this topic be moved to change request.
Coolwind Posted - 13/12/2009 : 22:45:14
Btemp is the battery temperature.
Have to check about the temperature calculation, did not yet looked at that.

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