Raymarine DSM250, Owner'S Handbook Manual

Page: 77 / 122

Chapter 5: Basic Display Controls 5-17
1
Depths greater than 3000 ft (1000 m) require a high performance transducer
➤
To adjust the range and shift values:
1. Press
RANGE
, this sets adjustment to manual and the range soft
keys are displayed. The range adjusts up or down depending on
the direction pressed.
2. Use the
RANGE
key to adjust the range: press the up arrow to
select a shallower range, press the down arrow to select a deeper
range.
3. If desired, press the
RANGE AUTO MAN
soft key to select
AUTO
range.
AUTO
range is indicated by the letter
R
in the status bar.
80 20 20 5 30 10
100 25 25 5 40 10
150 50 30 10 50 10
200 50 40 10 60 20
250 50 50 10 80 20
300 100 60 20 100 25
400 100 80 20 150 50
600 200 100 25 200 50
800 200 150 50 300 100
1000 250 200 50 400 100
1500 500 250 50 500 100
2000 500 300 100 600 200
2500 500 400 100 800 200
3000 1000 500 100 1000 250
1
3500
875 600 150 1200 300
4000 1000 700 175 1400 350
4500 1500 750 250 1500 500
5000 1250 850 170 1700 425
Table 5-2: Range and Shift Values
Feet Fathoms Meters
RANGE
RANGE
AUTO MAN