Chapter 3
CVS-841/851
Specification
Display area in ratio
Horizontal split: 1:1 Vertical split: 1:1
Vertical split to 3 divisions: 1:1:1
4 divisions (V/H divided by 2) : 1:1:1:1
NOTE:Zoomed Horizontal split division rstio approx 2:1
Interference rejection
3 steps (Off, 1, 2)
Color rejection
15 steps (one out of 15 colors)
Alarm
Fish alarm, 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
Output reduction
2 steps (Standard and reduced)
Pulse width
4 steps (Very narrow, Narrow, Middle, Wide)
Color tone
3 steps (1,2,3)
Background color
9 steps (1,2,3,4,5,6,7,8,9)
Image mix type
3 steps (A, B, C)
Digital depth display
4 steps (Off, Large, Middle, Small)
Digital depth display position
2 ways (Up or Down)
Depth scale display
3 ways (Off, One, All)
Scale position
2 ways (Edge or Center)
Scale numeral display
2 ways (Large or Small)
Time mark
3 ways (Off, 10 sec, 1 min)
Image feed direction
3 ways ( , , )
Image split
Image swap
B A
A B
Water temperature
3 ways (Off,
o
C,
o
F)
Auto function
Depth range, shift
Clock function
Year, Month, Day, Hour, Minute, Second (NOTE: CVS-841 has no
Year, Month, Day, a Day of the Week displays.
Depth unit
5 kinds (m, hiro, fm, I.fm, ft)
Bottom detection range
2 ways (Within or outside the sonar display)
Depth sounding
3 ways (Auto, High frequency, Low frequency)
Marker
Variable range marker (VRM), Scale, Guard zoom marker, Division
marker, Time marker, Color pattern
Rotary controls
Brilliance, Gain, Enhancement, STC, Depth range, Image mode
Other
functions
Enhance, White line, Flicker reduction, A scope, Information
window
(CVS-841 is not displyed)
, Temperature graph, Mark (Position,
Distance, Bearing, Elapsed time), Draft, Bottom detection start
position, Sonic correction, Temperature correction, Speed correction,
Int/Ext sync switching, PRF, GAIN law
､
STC law, Color change, Key
switch lock
Navigation data
Ship’s position (lat/Lon every 0.001 Min, Loran C LOP), Water
temperature (
o
C,
o
F, Graph display), Ship’s speed (km/h,mph,kt),
Distance traveled (km,sm,nm), Owh ship’s bearing
Input data format
NMEA-0183 Ver2.0/1.5(GGA,GLL,GTD,MTW, RMC,VTG )
or NMEA-0182
Output data format
NMEA-0183 Ver2.0/1.5 (DBS,DBT,DPT,MTW,TLL)
3.2 Power supply requirements
DC operation
Input voltage: 10.8 - 31.2 VDC
3-2
93132682-01
