On the touchscreen, you have to tap the lock/wrench icon in the bottom left of the screen.

This will bring up a login window.

Depending on which numeric password you enter will determine which “level” you're logged in under.

• Level 1 - operator - 123
• Level 2 - 8746550
• Level 3 - 050952 - (PCM4(81)) (3001 - 4 - 4)
• Level 4 - 151298

At the bottom-left corner of the touch screen, tap on the wrench which will bring up a login screen.

Login with the level 3 password.

Tap the wrench icon in the bottom-left