Unique service menu for Micro Four Thirds systems

Micro 4/3 system cameras - **Panasonic LUMIX (GH4, GH5, S1, S5)** and **Olympus / OM System (E-M1, E-M5, OM-1)** - have a unique feature: they allow you to display a comprehensive secret engineering menu with an accurate counter turns on and releases the shutter **directly to the camera screens**!

To do this, it is not necessary to read the EXIF ​​file - it is enough to know the correct combination of pressing hardware buttons.

1. Calling up the secret menu on Olympus cameras (OM System)

1. Turn off the camera. Hold down the **MENU** button and turn the camera off/on.
2. Go to *Settings Menu (wrench icon)* ​​→ *Screen Brightness*.
3. Press the **INFO** button, then **OK**. You will see a secret screen with the Olympus logo.
4. Press in sequence: **Up → Down → Left → Right → Shutter button → Up**.
5. Go to Page 2 (by pressing **Right**):
   • **R (Raw Count):** Total number of frames.
   • **S (Shutter Count):** The number of times the mechanical shutter is activated.
   • **C (Cleaner Count):** Number of ultrasonic cleanings of the matrix.
   • **U (Ultrasonic):** Turns on the camera.
   • **V (Video):** Time spent shooting video.

2. Calling the service menu on Panasonic LUMIX cameras

On Panasonic cameras (GH, G, GX series) the following indicators are displayed in the service menu:

• **PWRCNT (Power Count):** The number of times the camera is turned on.
• **SHTCNT (Shutter Count):** Precise counter of mechanical shutter operation.
• **STBCNT (Strobe Count):** The number of flashes of the built-in or external flash.

Micro 4/3 Systems Endurance Comparison Chart

Model	Declared resource	Verification method
Olympus OM-D E-M1 Mark II/III	200,000	Menu button combination + EXIF
Panasonic LUMIX GH5/GH6	200,000	Engineering menu SHTCNT + EXIF