OHAUS ST300, Service Manual, Page: 21 / 29

CHAPTER 3 RESET TO FACTORY SETTINGS
Starter Series Portable Meter Service Manual 3-1 Ohaus Corporation www.ohaus.com
3.1 Recover factory settings
For ST300, ST300C and ST300D proceed as below:

When the meter is off, press and hold button- Read & button- Cal & button- Exit
simultaneously for 3 seconds, the screen displays and blinks,
means “Reset”. Then
we have 2 choice:

Press button- Read to reset factory settings (MTC, slope and offset, etc.).
Or press button- Exit to quit the setting and turn off the meter.
For ST400D proceed as below:

Switch ON the meter.

Press button- and button- simultaneously to enter the Reset Factory Setting
screen.

Meter screen will show as below where respective information is back to Factory Default.
Figure 3-1. ST400D Factory Default Screen.