: Detailed descriptions of the device’s internal components, such as its pulse xenon arc lamp (rated for 150,000 measurements) and silicon photodiode sensors.

The screen will display "L" (long), "S" (short), and Delta values. These

Open the checker lid on the docking station and press the probe tip flat against the reading circle until it clicks.

Example:

Before diving into the manual, it is vital to identify which "JM-105" you own. The model number appears across several industries. The most common variants include: