Raymarine DSM300 - Manual (Page 17)

Chapter 2: Getting Started 17
Figure 2-2: Typical Display in Sonar Mode
D6181-1
ZOOM FREQUENCY BTM.LOCK A-SCOPE
AUTO GCRZFH
50kHz
0
SD
60
20
40
18
22
38
35
36
33
32
36 37
42
ft
Gain
Color gain
Range
Cursor,
controlled
by trackpad
Auto
Mode
Indicators
Water surface
Frequency
Target Depth ID On
Alarm enabled
Frequency
Power
Zoom
Shallow, Deep
Alarm
Indicators
Fish
Depth markers
Target image (fish arch)
Range
Bottom depth
Target image depth