The GH4 is designed for advanced users, and the controls will not be easy to navigate if you are not familiar with powerful cameras. The body is made of a magnesium alloy shell which is both water- and dust-resistant thanks to the seals around every single dial, physical button and joint. The handgrip is large, with a rubbery finish that makes it easy to hold. All in all, a big improvement.Īlthough the GH4 is technically a compact camera, the design, build and in-hand feel are closer to a mid-range DSLR. The GH4 has a new Digital Live MOS sensor and a Venus Engine image processor, which uses a quad-core chip. This is an element that can be filed away under “future-proofing", at least till 4K TVs and monitors for computers become more popular. The GH4 can record videos in 4K resolution-4,096x2,160/24 frames per second (fps) and 3,840x2,160/30 fps. It has a completely new lens but retains the same pixel count, 16.05, as earlier. Your car has similar modes and no dealer is going to assist you there either.The GH4 (DMC-GH4AGC) mirrorless camera is the successor to the very popular GH3. You are joking, right? The menus you are in are not intended to be accessed by the end user. Someone commented that Panasonic should have a support team to assist customers in such situations. It's also is flagged in an embedded menu to alert the service person that the user has been playing with the service mode. This would affect shutter speed, AF performance and color accuracy. Your camera will work and the "!" will disappear, but the performance will not meet spec. Without such initial settings, they would have to load firmware for every camera and than do the alignment. These are used to enable the camera the first time its powered up on the assembly line. After changes are made, your camera's alignment data needs to be reloaded, otherwise the camera uses a set of default alignment parameters which are resident on the main PCB. This is not explained in the general manual. The normal service procedure starts by copying the internal alignment data off to a PC or SD card (mentioned above - do require reload of calibration data) verifies what I've explained. The general manual only explains how a specific procedures might differs from other models. So there are actually three different service manuals - the one you have, an "advanced" manual and the third which is only given to authorized service facilities. What is missing is the last step where the model number must be confirmed, but not changed, to exit the initial settings. However it does state that mount box & Flash-Rom replacement do require reload of calibration data.Īnyhow, initial settings is where the hardware is initialized for a particular model / mainboard revision, meaning languages,PAL or NTSC, data format which can only be done once. My version of the service manual does not provide any information that performing initial settings require calibration. Following the repair, it's loaded back in, or the camera is recaliberated. Usually before the technician begins any repair he enter the Service mode and download the ROM DATA. This same procedure happens automatically when the main PCB is replaced. Without any such parameters loaded, it would be the equivalent of loosing the BIOS on your PC. When the initial settings are erased, once "reset" the camera reverts to a set of initial parameters, loaded to allow the technician to complete the recaliberation. Having serviced them, I can tell you the info you posted is not totally correct.
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