Standard Horizon QUEST+ GX1256S - Manual (Page 57)

GX1256S Page 57
10.2 FACTORY SERVICE
In the unlikely event that the radio fails to perform or needs servicing, please
contact your Dealer or Marine Division of Vertex Standard.
An “RA” Return Authorization number is not necessary to send a product in
for service. Include a brief note describing the problem along with your name,
return address, phone number, and proof of purchase.