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ALPA 12 FPS and silex instruction manual REL-5.11 - copyright alpa 2019
LIST OF COMMANDS ALPA OPEN SYNC LANGUAGE
commands alpa open sync language
The ALPA Open Sync Language allows a flexible sync control of various digital backs, brands and operation modes. These sync programs are written in simple
XML with an ending of “.fps”. For illustration, see the samples on fps.alpa.camera.
COMMAND
DESCRIPTION
USE
delayTimeUSEC
Time in microseconds to wait until the following com-
mand is executed.
Minimum is 10 microseconds. One second equals to 1,000,000 micro-
seconds
SETSYNCHBOTH
Sets a signal to both LEMO1 and PC sync port (connec-
tors [C] and [B]) simultaneously.
General, for controlling digital backs. Flash should not be controlled by
the digital back.
CLEARSYNCHBOTH
Terminates a previously set command.
General, for controlling digital backs. Flash should not be controlled by
the digital back.
SETSYNCHLEMO
Sets a signal to both LEMO1 sync port (connector [C])
only.
General, for controlling digital backs. Used if PC sync port shall be used
for dedicated flash control. Special flash control via PC sync port.
CLEARSYNCHLEMO
Terminates a previously set command.
General, for controlling digital backs. Used if PC sync port shall be used
for dedicated flash control. Special flash control via PC sync port.
OPENISHUTTER
Opens the internal leaf shutter according to the preset
exposure time. If an adaptation/lens with automatic
aperture control is in use, the camera stops the aperture
down automatically before opening the shutter.
Mandatory for exposure.
CLOSEISHUTTER
Closes the internal shutter after the preset exposure
time elapsed. If an adaptation/lens with automatic
aperture control is in use, the camera fully operates the
aperture (open up/stop down).
Mandatory for exposure.
1VSETFLASH
Set flash trigger via PC sync port [B] for 1st curtain (exe-
cution after the internal shutter has opened).
General, flash triggering. Multiple use of this command is possible
(experimental).
1VCLRFLASH
Terminates the flash trigger.
2VSETFLASH
Set flash trigger via PC sync port [B] for 2nd curtain
(execution before the internal shutter closes).
General, flash triggering.
2VCLRFLASH
Terminates the flash trigger.
RUNDELAY
Delays the next program line for the defined time
ALPA open sync language
Содержание 12 FPS
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