Myron&Davis NV7NAT1 - Manual (Page 14)

Main Menu
For detailed information of these functions, please refer to our “User's Manual”.
TPMS interface
NAV interface Restart
Notes: because of the complex environment of NAV system, it
susceptible to strong electromagnetic interference from outside
(for example: there is no image, can not enter into map). In case of
this situation, press NAV button on the panel to exit from NAV state
and return to home page, then press the“RESTART NAV” button.
After that, press the NAV button again to enter NAVscreen. At that
time, the system will show the information “ Navigation is restarting
now”, and after 10 seconds it will enter the normal NAV state.
the is