Turning the instrument on: Press and hold power key (
) for 2s.
☞ The instrument must have a power supply.
Turning the instrument off: Press and hold power key ( ) for 2s.
☞ The instrument must be on.
☞ For instruments setup in permanent installations with external power sources, for example monitoring, ensure external power remains available until the instrument has successfully completed the power down process.
Reset menu
1. Go to the operating system desktop (Fn + OS).
2. Open the Settings Menu. 
3. Reset Menu
Following format and reset options are available:
• Reboot
Restarts Linux Operating System
• Format Memory
Formatting internal memory will delete jobs, sites, admin settings, codelists, coordinate systems and format files.
• System Reset
Resetting the system will perform Format Memory and delete working styles, stations to dial lists, server lists and web service lists.
• Logout
Logout is only visible after PIN is enabled. After logout, the device is locked and a PIN must be entered to login again.
Security menu
1. Go to the operating system desktop (Fn + OS).
2. Open the Settings Menu.
3. Security Menu
Enable or disable PIN here.
• Initial PIN
If no PIN has been activated before, the new PIN must be entered correctly twice.
• Change PIN
To enter a new PIN, the old PIN must be entered. The new PIN must then be entered correctly twice.
• Disable PIN
To disable the PIN, the current PIN needs to be entered.
• PUK
If the PIN is entered incorrectly three times, the device will be blocked for one minute. The device can be unlocked again using the PUK. If the PUK is entered incorrectly three times, the device will be blocked for 10 minutes.