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If you are getting no signal or a flashing signal on your AC7 with the 5D MKIII follow these instructions.
1. Disconnect your HDMI cable from the monitor.
2. Enter your camera’s menu system.
3. Go to the Blue Play button menu in the camera.
4. Go to the 3rd Tab on this menu.
5. Scroll down to the Ctrl over HDMI setting and set it to Disable.
6. Exit the menu and put the camera in live view.
7. Once an image appears on the back of the camera attach it via HDMI to the AC7.
8. On your AC7 open the menu and select input.
9. Set the input on the monitor to HDMI (Even if it already should be in HDMI).
10. The monitor should now have an image.
We have made a video that shows how to achieve full screen on your Canon 5D Mark III:
To get a full screen on a Canon DSLR you should activate the canon preset by scrolling the clickwheel to the right when no menu’s are present. Then scroll down to the DSLR preset and activate it by clicking your scroll wheel. You can increase the size of the image being sent to the monitor even more by hitting the info button on the Canon camera a few times. Also please make sure you have the newest firmware installed on your monitor. For even more info check out this video:
The HDMI output signal from cameras in the Canon DSLR product line do not naturally fill the full width of any display when in Live-View or Record mode, but this CAN be achieved on the DP6 by upgrading to the latest firmware.
See video on the subject:
NOTE: When sending a signal to the DP6 via HDMI, increase the size of the 5D’s output signal by pressing the “INFO” button several times on the camera (until all of the 5D’s menu data disappears).
The power management capabilities on the 7d leave much to be desired. Basically if you have the camera attached to the monitor it can cause the camera to have an error 80 where you need to remove your battery to reset the camera. It seems there are several ways to avoid this.
1. Try turning the camera on before the monitor.
2. Try turning both devices on before attaching them via hdmi.
3. Make sure you have fully charged batteries in your camera when you go through the boot up process.
We have found a way to modify the hardware on the DP4 that makes it so that this power procedure is not neccessary. All of our current DP4’s are shipping out with this mod in place. If you have an older DP4 and are having this problem please contact support and we will send you a return authorization so you can send it in for a hardware upgrade.