Lacerta FBC Quick Start Manual Download Page 3

DSLR Out: 

 

3.5mm  stereo  connector  for  transferring  the  exposure  signal  to 

 

DSLR cameras.

 

 

 

 
Using Standalone mode: 
 

Connect the DSLR In connector  or the USB  port   to receive the  shutter 
signal  from  your  DSLR  control  unit  (Lacerta  MGEN  or  a  remote  shutter 
controller), and connect the DSLR out to transmit the same shutter signal 
to your DSLR. Power up the FBC (the LEDs light up in a sequence) and 
your  DSLR  in  bulb  mode.  The  3  potentiometers  on  the  unit  are  used  to 
set  the  desired  values.  Trigger  an  exposure  on  your  DSLR  control  unit. 
After  receiving  the  incoming  exposure  signal,  the  shutter  of  your  DSLR 
opens  and  the  Flatbox  lights  up  according  to  these  settings.  When  the 
shutter  signal  ends,  your  DSLR  shutter  will  close.  The  length  of  your 
shutter  signal,  when  programmed  on  the  external  device,  should  be 
longer than the values of Delay + Flash.  
 

Delay(ms): 

 

 

Sets  the  delay  time  after  the  exposure  signal  has  been 

received, before the Flatfield device is started.  
 

Flash(ms): 

 

 

The illumination time of the flatfield device connected. 

 

 

Summary of Contents for FBC

Page 1: ...open This avoids flatfield artefacts from slow mechanical shutters as met in DSLRs and some CCDs To achieve this the FBC synchronizes your flatfield box with your camera shutter It can operate in standalone mode or via Ascom PC input connectors Power supply 12V DC 9 15V Plug size 5 5 2 1mm center positive polarity with polarity protection The circuit is protected by a 1 1A regenerative PTC fuse ...

Page 2: ...onize controlled flashing of your flatfield device to the shutter of your CCD or DSLR 2 Through the associated serial COM port you can send commands to FBC using the provided Windows App This allows synchronizing your flatfield device to the shutter of your DSLR An extra remote shutter control is not needed 3 You can update the device firmware Dslr In 2 5mm stereo jack For signal from an external ...

Page 3: ...ode The 3 potentiometers on the unit are used to set the desired values Trigger an exposure on your DSLR control unit After receiving the incoming exposure signal the shutter of your DSLR opens and the Flatbox lights up according to these settings When the shutter signal ends your DSLR shutter will close The length of your shutter signal when programmed on the external device should be longer than...

Page 4: ...e the FBC with PC all three potentiometers must be turned to 0 before switching on FBC is set to serial mode So the FBC knows that we want to use serial communication via the USB port using the FBC App or an appropriate program APT If the Mirror Lockup function was activated its control Led will not turn on as this function is controlled by the App now You can set the exposure time Exposition ms t...

Page 5: ...ode To upload a new firmware into FBC connect it to a PC and use the LACERTA FBC V1 Firmware updater To enter firmware update mode press and hold the mirror lockup button for some seconds while powering it on After a few seconds the PWR LED lights up and flashes This signals the device is in Upgrade mode and can start receiving the new firmware Open the Firmware updater folder and doubleclick on t...

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