Panasonic Lumix DMC-GH4A, Service Manual, Page: 34 / 130

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7.2. About Tilt Sensor Display
The unit has the tilt sensor display function using G (3-axis accelerometer) sensor inside the unit.
[Principal of Operation]
1. Movement of “Weight” is detected by capacitance. -------- [A]
2. Each acceleration of the X/Y/Z axis is converted into data and they are output.
3. The Venus Engine converts the data into a horizontal angle and an angle of inclination, and displays them to screen.
[Purpose of the Adjustment]
• Correct the camera as the horizontal angle and an angle of inclination become within ±1 degree for a live-view picture.
1. When the Mount Box Unit or IC6003 (or Main P.C.B.) is replaced, readjustment is necessary.
2. When the Mount Box Unit, Main P.C.B. or the exterior of the camera is replaced, please confirm following;
a. Switch to display the Guidelines in LCD.
b. Confirm that the vertical lines in LCD are parallel with string hanging down perpendicularly.
If they are significantly shifted, readjustment is necessary.
• Refer to the adjustment software for procedure of adjustment.
No special fixture is required. The adjustment can be performed with a table as possible horizontal, the string which hanging
down perpendicularly and a general-purpose tripod.