IM SELLING MY HUMMINBIRD 797C2 S1 I HAD ON THE CONSOLE OF MY BOAT, NO PROBLEMS JUST MOVED MY OTHER UNIT BACK THERE AND REPLACED MY FRONT UNIT. IT CAME ON THE BOAT WHEN I BOUGHT IT 3 YRS AGO, THE OWNER BEFORE ME PUT IT ON A YEAR BEFORE HE SOLD THE BOAT. IM ASKING $575 FOR IT, WORKS GREAT AND THE SIDE IMAGING IS NICE. IT COMES WITH THE HEAD UNIT, CONSOLE BRACKET, POWER CABLE, TRANSOM TRANSDUCER, AND GPS PUCK & CABLE. ( DOES NOT COME WITH MAP CHIP), BUT THERE IS A SIMPLE BASE MAP ON THE UNIT.  
 
PM ME IF INTERESTED OR EMAIL ME @: SEBASTIAN0601@GMAIL.COM 
 
 
 
 
SPECS: 
Display Size: 5.0" diagonal  
Display Pixel Matrix: 640V x 480H  
Display Type: 256 Color TFT  
Display Colors/Grayscale: 256 Colors  
DualBeam PLUS  
Sonar Coverage 200 kHz / 20° @ -10db  
83 kHz / 60° @ -10db  
  
Side Imaging  
Sonar Coverage 455 kHz / (2) 86° @ -10db  
  
Sonar Optional: QuadraBeam PLUS  
Target Separation: 2.5 inches  
Power Output (RMS): 500 Watts (RMS)  
Power Output (Peak to Peak): 4000 Watts (Peak-to-Peak)  
Temperature: Optional  
Speed: GPS Speed Included  
Backlight: Yes  
Waterproof: Yes  
Mount: Quick Disconnect  
Unit Size: 6.9" W x 7.5" H x 4.5" D  
Mount: Optional In-dash  
Unit Size: 6.9" W x 5.4" H x 1.25" D  
Transducer Mounting: Transom  
Power Input: 10-20 VDC