Installation Instructions
Page 3
... Transducers The transducer acts as the eyes and ears of your new sonar. Proper transducer selection and installation are missing, please contact your local dealer or contact Garmin Product Support for choosing the Garmin GSD 21. INTRODUCTION INTRODUCTION Thank you for further information. The GSD 21 is a CANetTM compatible, remote sounder module designed to the operation of your unit.
... Transducers The transducer acts as the eyes and ears of your new sonar. Proper transducer selection and installation are missing, please contact your local dealer or contact Garmin Product Support for choosing the Garmin GSD 21. INTRODUCTION INTRODUCTION Thank you for further information. The GSD 21 is a CANetTM compatible, remote sounder module designed to the operation of your unit.