Chapter 8. Maintenance and Troubleshooting
142 Model PM880 Portable Hygrometer User’s Manual
8.7.2 Setting Remote Access Security (cont.)
5. Use the arrow keys to move to Security Level and press [ENTER] to 
open the drop-down menu.
6. Scroll to the desired level and press [ENTER].
7. The PM880 may ask you to enter a passcode depending on the level you 
choose. Enter the passcode and press 
[ENTER].
Note: You can change the remote access security settings for the Service 
Level; however, you will need to enter the passcode for that level. 
Contact the factory.
8. Use the arrow keys to scroll to the desired options. Press [ENTER]. 
When an “X” appears in the box, access is granted.
Next, do one of the following:
• To change security passcodes, refer to step 4 in Setting the Security 
Passcodes on page 140.
• To exit and return to taking measurements, press [F3] (OK) and then 
[MENU].