The new CVS-841 Color LCD Video Sounder features exclusive "Instant Replay". Unlike conventional sounders, the CVS-841 has the ability to vary the gain and STC of the entire image including previous captured images. This allows user to go back instantly to enhance images on the screen and analyze ground that has already been covered in greater detail.

• 10.4" TFT color LCD 16-color display with conrast, brightness and background adjustments for excellent readability—day and night.
• Dual-frequency operation with any combination of 28, 38, 50 or 200 kHz.
• All frequencies and 1kW or 3kW power outputs are built-in to each unit with appropriate transducer.
• Depth ranges from 0-10' to 0-4000' on 1kW unit and from 0 to 8000' on 3kW unit.
• Rotary and keypad controls for easy operation.
• Lat/Lon or Loran-C LOP when connected to the optional receiver.
• Bottom zoom and shifting functions.
• 15-level color rejection, 12-selectable image speeds.
• Selectable A-Scope.
• Enhanced Interference Rejection.
• Dual VRM's.
• Shallow/deep and fish alarms.
• Split-screen displays.
• Big-number navigational display with GPS input.
• Built-in flush mount system.

Model

CVS-841C (1kW)

Output Power

Defined by the suffix. C: 1kW

Display

10.4 inch TFT Color LCD (640 x 480 dot)

Display Colors

16 colors (Color pallet can be changed)/Background: 9 colors

Frequency

Dual frequency, combination selected from 28, 50, 200 kHz

Sounding Range

(meter/hiro/fathom/Italian fathom, selected from the following range scale or auto RANGE) 2.5 to 10 (2.5 step), 10 to 100 (5 step), 100 to 400 (10 step), 400 to 1000 (50 step), 1000 to 1200 (100 step), 1200 to 3000 (100 step) (3kW only)

(feet) 10 to 20 (5 step), 20 to 80 (10 step), 80 to 400 (20 step), 400 to 1600 (40 step), 1600 to 4000 (200 step), 4000 to 7200 (200 step), 7200 to 8000 (400 step) (3kW only)

Bottom Range/Zoom Range

2.5, 5, 7.5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 70, 80, 90, 100, 110, 120, 130, 140, 150, 160, 180, 200 meter, hiro, fathom, or Italian fathom, one range selected

10,15, 20, 30, 40, 50, 60, 80, 100, 120, 140, 160, 180, 200, 220, 240, 260, 280, 320, 360, 400, 450, 500, 550, 600, 650/ feet

Image Shift

Auto/Manual, deepest displayed depth is 3000 (1kW)/3000 (3kW) meter, hiro, fathom, Italian fathom (1 step increment) 8000 (1kW)/8000 (3kW)/feet (5 step increment)

Presentation Mode

Image modes available, including combined displays are Normal (including SHIFT), High frequency, Low frequency, Zoom (Bottom Lock, Bottom Discrimination, Zoom), Bottom Zoom, Combined, Enhanced, A-Scope.

Image Split

Horizontally split: 1:1 (See NOTE), Vertical split: 1:1, Vertical split to 3 divisions: 1:1:1, Vertical split to 4 divisions: 1:1:1:1
Note: Zoomed horizontal split division ratio is approx 2:1.

Audible Alarm

Fish alarm and depth alarm

Image Speed

Fixed 12 speed (4/1, 3/1, 2/1, 1/1, 1/2, 1/3, 1/4, 1/6, 1/8, 1/12, 1/16, 1/32) and stop

Interference Rejection

3 steps (Off, 1, 2)

Color Rejection

15 steps (one our of 15 colors)

Depth Marker

VRM (Variable Range Marker), scale, zoom range marker, guard zone marker, division marker, time marker, color pattern

Controls

Brightness, gain, enhance, STC, depth range, image mode

Auto Functions

Depth range, shift

Navigational Data

Own ship's position (Lat/Lon every 0.001 min, Loran C LOP), water temperature (°C/ °F/Graph display), ship's speed (km/h, mph, kt), Own ship's bearing

Input Data Format

NMEA-0183 Ver 2.0/1.5 (GGA, GLL, GTD, MTW, VTG)

Output Data Format

NMEA-0183 Ver 2.0 (DBS, DBT, DPT, MTW, TLL)

Power Supply Voltage

10.8 to 31.2 VDC

Power Consumption

35 W or less at 24 VDC

Operating Temperature

-15º C to +55º C

Waterproof Grade

IPX5

Case Dimensions/Weight

12.6"W x 12.6"H x 5.44"D, 15 lbs.