There are times when customers would like to:

• Block certain functions that are not used during normal operations.
• Lock in certain parameters because they use their products in predetermined ways.
• Prevent accidents due to mistaken operation.

For all these reasons, we have added a "Key Lock" function. The function differs slightly from model to model, but generally it allows you to lock the Auto/Manual switching key or lock access to the parameters for each PID group. Engaging the Key Lock is useful for avoiding accidental or mistaken operation.

Models Supported
All models of UT100 Series and Green Series
Please be noted that the key lock function differs from model to model.

The functions differ slightly from model to model, but generally the Auto/Manual switching key, or access to the parameters for each PID group can be locked.
The following is an example with the UT351.

Key Lock Function Example