Teqd-2301b Manual Info

Title:

The Calibration of Soul

Chapter 6: Advanced Functions and Hidden Parameters

5. Maintenance schedule

Q4: My Teqd-2301b shows “Lock” on the display. What does that mean?

The keypad is locked. Press and hold UP and DOWN simultaneously for 5 seconds to unlock. This is described in Section 4.2.3 of the manual. Teqd-2301b Manual