User guide

Developers guidelines | AT commands
281 June 2010
AT*SEFEXP Flash auto exposure setting from ME
AT*SEMOD Camera mode indicator to the flash
Parameter:
<guide_number>:
<guide_number> Description
0–255 The Guide Number of the flash @ ISO100
<min_exposure>:
<min_exposure> Description
0–255 Minimum value of exposure that the flash can
handle
<max_exposure>:
<max_exposure> Description
0–255 Maximum value of exposure that the flash can
handle
<color_temp>:
<color_temp> Description
0–255 The Color Temperature of the flash in hundreds of
Kelvin, for example, 6500K gives color_temp=65
Description: Requests information from the ME about what level of flash would make
the picture brighter or darker by adjusting its auto exposure control circuit.
The flash uses this input to make appropriate settings in its auto exposure
control circuit.
Note: The unsolicited result code *SEFEXP will be sent once when the
AT*SEFEXP is issued (and only if AT*SEFEXP is called when the flash is
plugged in).
Set command: AT*SEFEXP
Description: Requests information from the ME if it is in a mode were the flash should
be charged up and ready. The flash uses this input to start or abort charg-
ing its internal capacitor.
Note: With this command it is only possible to turn on request for unsolic-
ited result codes.
Execution
command: AT*SEMOD
Response: Unsolicited result code. *SEMOD=<action>
Parameter:
<action>: