Humminbird 4087301 Marine GPS System User Manual


 
Filter
Settings: On, Off; Default = Off, Setting Saved in Memory
Filter adjusts the sonar filter to limit interference on the display from
sources such as your boat engine, turbulence, or other sonar devices.
Light
Settings: 0 - 5; Default = 0
Light adjusts the brightness of the display. Use a higher backlight setting for
night fishing.
NOTE: Continuous backlight operation will significantly decrease the battery life for
PiranhaMAX Portables.
Beam Select
Settings: PiranhaMAX 165: 200 kHz; PiranhaMAX 175, 176i,
195c, and 196ci: 200 kHz, 455 kHz; Default = 200 kHz
Beam Select sets which sonar returns from the transducer will be displayed on
the screen. The available beam frequencies are determined by your
PiranhaMAX model.
When set to 200 kHz, only the returns from
the 200 kHz (28°) wide beam will be displayed
in the Sonar View.
When set to 455 kHz, only the returns from
the 455 kHz (16°) narrow beam will be
displayed in the Sonar View.
28 Degree Total Coverage
16°
28°
455kHz
200kHz
55
Sonar Menu