Raymarine DS400 & DS500 用户手册

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DS400 and DS500 Digital Fishfinders
The DS400/500 employs a very high transmission repetition or “ping” rate 
which, along with the digital adaptive high sample rate receiver, ensures that 
fish and bottom structure are presented in superb detail and optimal color 
allocation. The DS400/500 digital bandwidth adaptation adjusts the receiver 
band width dynamically from very wide to very narrow, as required by the 
actual water conditions. This provides superior fish and bottom detection in 
conditions where other fishfinders see very little or nothing at all.
Features
DS500: 5" Transmissive High Brightness TFT Color LCD
DS400: 3.5" Transflective Daylight Viewable TFT Color LCD
¼ VGA 76,800 Pixel Display Resolution
Patented Digital HDFI Technology
Hands-Off Adaptive Auto Adjustments
Dual Frequency 200/50 kHz 500W RMS
Depth/Temp/Speed transducer included with some models, which can 
measure water depth, water temperature and speed
Speedometer-style digital data screen overlay
NMEA 0183 compliant
Easy Bracket or Flush mounting
Waterproof to IPX7
General
The DS400/500 system, illustrated below, is comprised of the digital 
fishfinder, transducer and associated cables. 
The DS400/500 is waterproof to IPX7 and can be installed either above or 
below deck. 
The unit includes connections to:
Power/NMEA
the transducer