Summary of Contents for Applied Logic Engineering GH1
Page 1
Overview. This controller board allows the user to simultaneously control two Panasonic Lumix GH1/GH2/GH3 cameras. The user can simply press the on-board buttons to control the cameras connected to the board.
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Power Control button is pressed on the controller board. Two separate cables are required to connect both cameras. The “block” end goes into the battery compartment on the GH1 and the “plug” end plugs into the right or left power output jack on the controller board.
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Remote Control to Cameras This jack should be connected to each camera’s remote control jack. This connection is used to simultaneously control the focus and shutter functions in the both cameras connected to the controller. Two cables are required – one for each camera. Page 3...
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Video In from Cameras The Video In jack is connected to the composite video output on each camera. This allows the controller to monitor and display the difference in the video sync signals between the two cameras connected. The black plug end connects to the camera’s composite video out connection. On the other end of the cable, connect the yellow plug to the video in jack on the controller board.
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The button header is located in the lower right hand edge of the controller board (see the photo on page 1) and is designated as: POWER FOCUS SHUTTER Pin 1 Pin 2 Pin 3 Pin 4 To connect to this header, solder a wire from the function desired (i.e. POWER) to a momentary contact switch.
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Power On and Initial Display Before powering the controller board on, make sure that the cameras being controlled are connected via the necessary cables and that the DC power source is also properly connected to the controller board. Power is applied to the board by sliding the Power switch down (see below): Power On/Off Switch When power is applied to the controller board, the LCD will display something similar to the following: Page 6...
Page 7
On the top line of the LCD, the video sync disparity between the two cameras is displayed. This is the amount of time (in microseconds) between the video sync signals that are being monitored by the controller board. If the LCD is showing Disparity: ----- , make sure you press the POWER button to turn the cameras on.
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Operating the Function Buttons Pressing the function buttons on the controller board will simultaneously send the designated command to the cameras connected to the controller. The buttons on the board are defined as follows: Power When the cameras are properly connected and the board is powered on, pressing the Power button will simultaneously turn power on to both cameras.
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Time Lapse Operation The GH1 controller board can be used perform time lapse photography in an unattended mode. Setting the time lapse interval To set the time lapse interval (the amount of time between photos), press the RIGHT cursor control button (on the left side of the controller board).
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Monitoring the Time Lapse function After activating the time lapse function, press the LEFT cursor key to return to the main display on the LCD. While the time lapse operation is active, the LCD will display the count down time (in seconds) until the shutter will trigger (see below): When the time counts down to zero, the controller board will trigger the shutter on both cameras.
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This causes the time lapse function to suspend. Page 11...
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Troubleshooting 1) No power to the controller board Solution: Check to insure that the DC Power supply is properly connected to the board. The power supply must output 9v DC (or slightly greater) with the center pole on the connector being positive (+).
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