Garmin APOLLO GX SERIES Service Manual

Contents

Garmin AT Rev --© 2004 Garmin AT GX Service Manual 8-2318. Turn the large knob clockwise to CH RX TX screen. This is where serial port settings areentered. The screen should display NONE for RX and NONE for TX. If it shows GPS and GPS, goback to step 6 of this procedure and continue from there. If that doesn’t solve the problem,perform steps 6, 7,8 and 9 above and press ENTER at the RESET ALL screen. If that doesn’tresolve the problem, replace the NAV board (see NAV Board Replacement procedure) andperform the Complete Initialization procedure. Return the unit to the factory if that fails to correctthe problem.19. Cycle power and let the unit go through its self-test and startup procedure.20. Using the Service Data Sheet, reenter the customer configuration.