nüLink! 1695 Owner’s Manual 6Appendix4. Touch Save.5. Enter a four-digit PIN.6. Touch Done.Each time you turn on the device,you must enter the PIN or drive tothe security location.retrieving Your PInIf you forget your PIN and yoursecurity location, you must send yourdevice to Garmin to get it unlocked.You must also send a valid productregistration or proof of purchase.About the Security LocationYour security location should be alocation you return to often, such asyour home. If the device has satellitesignals and you are at the securitylocation, you do not need to enterthe PIN.Calibrating the ScreenIf the touchscreen is not respondingproperly, calibrate the touchscreen.1. Turn off the device.2. Press and hold the upper-leftcorner of the screen.3. Turn on the device.4. Continue pressing the upper-leftcorner of the screen for about30 seconds, until the calibrationpage appears.5. Follow the on-screen instructions.