If you have to block a key combination which includes a key not listed in the Existing Key tab, follow steps below:

1. Access SureLock Settings

2. On Main Menu screen, tap on Keyboard Settings

3. On Keyboard Settings screen, tap and select Keyboard Filtering

4. On Keyboard Filtering Configuration option, tap on Add Key

5. On Keyboard Filtering prompt, select the key, tap on Custom Key tab

6. Under Custom Key tab, enter following details:

• Name - Name for the key
• Scan Code - Hexadecimal code for the key

7. Once key details entered, select the Function keys from the following:

• Ctrl
• Alt
• Shift
• Windows

8. Tap on Add to complete