Garmin GPSMAP 421/421s Technical Reference - Page 16
Browse online or download pdf Technical Reference for Marine GPS System Garmin GPSMAP 421/421s. Garmin GPSMAP 421/421s 42 pages. Marine navigation equipment
Also for Garmin GPSMAP 421/421s: Installation Instructions Manual (12 pages), Reference Manual (2 pages), Important Safety Information (48 pages), Installation Instructions Manual (28 pages), Template Manual (2 pages), Declaration Of Conformity (1 pages)