Honeywell International Inc. THX9421R02 用户手册

Adjusting security settings

You can adjust security options to prevent 
unauthorized changes to system settings.

1 Touch 

 and select 

.

2 Select 

.

3  Select an option and follow prompts:

Unlocked: Full access allowed.

Partially locked: Only temperature 
can be changed.

Fully locked: No access allowed.

If you choose to use a password 

for additional security, write it here for 
reference: