Garmin gpsmap 530s User Manual
GPSMAP 400/500 Series Owner’s Manual
45
Using Sonar
Using Sonar
When connected to a transducer, the following chartplotters can be
used as fishfinders:
GPSMAP 430s GPSMAP 440s
GPSMAP 430s GPSMAP 440s
GPSMAP 431s GPSMAP 441s
GPSMAP 530s GPSMAP 535s
GPSMAP 531s GPSMAP 536s
GPSMAP 540s GPSMAP 545s
GPSMAP 541s GPSMAP 546s
Understanding the Full Screen
Select the Full Screen option to view a full-screen graph of the
transducer’s sonar readings.
From the Home screen, select
From the Home screen, select
Sonar
>
full Screen
.
Transducer
frequency or
beam width
Temperature
Speed
Depth
Range
Suspended
targets
Full Screen
Understanding the Split Frequency Screen
Use the Split Frequency screen (dual-frequency transducer only) to
view both the 50 kHz and 200 kHz frequencies on the same screen.
A 50 kHz frequency graph appears on the left; a 200 kHz frequency
graph appears on the right.
From the Home screen, select
From the Home screen, select
Sonar
>
Split frequency
.