Evo dva zanimljiva uredjaja više niže i srednje klase.
Oba su Humminbird i imaju naprednu DI (Down Image) tehnologiju.
Humminbird 570 DI
Display Size: 5.0" diagonal 
Display Pixel Matrix: 640V x 320H 
Display Type: FSTN LCD 
Display Colors/Grayscale: 12 Level Grayscale Down Imaging™ 
Sonar Coverage 
455 kHz / 75° @ -10db
800 kHz / 45° @ -10db
Dual Beam  
Sonar Coverage 
200 kHz / 25° @ -10db
455 kHz / 16° @ -10db 
Target Separation: 2.5 inches 
Power Output (RMS): 250 Watts (RMS) 
Power Output (Peak to Peak): 2000 Watts (Peak-to-Peak) 
Temperature: Built in transducer 
Speed: Capable 
Backlight: Yes 
Waterproof: Yes 
Mount: Quick Disconnect 
Unit Size: 7" H x 7" W x 4" D 
Transducer - Standard: XNT-9-DI-T
Transducer Mounting: Inside Hull or Transom 
Power Input: 10-20 VDC 
Humminbird 596 HD DI
Display Size: 5" diagonal 
Display Pixel Matrix: 640V x 640H 
Display Type: 256 Color TFT 
Display Colors/Grayscale: 256 Colors 
Down Imaging™ 
Sonar Coverage 
455 kHz / 75° @ -10db
800 kHz / 45° @ -10db 
DualBeam Plus™ 
Sonar Coverage 
200 kHz / 25° @ -10db
455 kHz / 16° @ -10db 
Target Separation: 2.5 inches 
Power Output (RMS): 500 Watts (RMS) 
Power Output (Peak to Peak): 4000 Watts (Peak-to-Peak) 
Temperature: Included 
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 - Standard: XNT-9-DI-T 
Transducer Mounting: Transom 
Power Input: 10-20 VDC 
Current Draw: 615 mA 
Razike ova dva sonara:
Snaga, Ekran u boji, tehnologija 2D skeniranja DualBeam/DualBeam Plus, itd
I naravno cena: 300 naspram 530 USA dolara .. naravno u USA.
Predlažem jeftiniji, jer ima sve što je potrebno Dunavskom nautičaru.
 :good: :drinks: