Humminbird 170 Fish Finder User Manual


 
The Menu System
A simple menu system allows you to access your PiranhaMAX™ adjustable
settings. To activatethe menu system, press thePOWER-MENU key.Press the
POWER-MENU key repeatedly to display the PiranhaMAX™ menu settings,
one at atime. When a menu setting is onthe display,use the RIGHT and LEFT
Arrow keysto adjust the menu setting.Menus settingsare saved and removed
fromthe screenautomatically afterseveralseconds. InNormaloperatingmode,
mostmenusettingssavedtomemorywillnotreturntotheirdefaultvalueswhen
the unit is turned off.See individual menu choices for more information.
NOTE: Each time the POWER-MENU key is pressed, the backlight momentarily
illuminates for easy viewing at night. Adjust the LIGHT menu setting to keep the
backlight on.
NOTE: If Simulator Mode is selected from the Start-Up Menu and a transducer is
pluggedin, some menusetting changeswillbe saved inmemoryeven after theunit
is powered down. Menu setting changes will not be saved from Simulator mode
when atransducer is not connected.
NOTE: Turning on the SetUp menu choice from the Main Menu System allows you
to accessadditional set-up menuchoices. See SetUp Menufor moreinformation.
Light
(Setting Not Saved in Memory)
Press the POWER-MENU key until LIGHT appears. Use the backlight for night
fishing. Select either 0 (Off), or 1 through 5 to activate the backlight at the
desired level. (0 to 5, Default = 0 [PiranhaMAX™150/160/170/180]; 0 to 10,
Default = 10 [PiranhaMAX™190c])
NOTE: Continuous backlight operation will significantly decrease the battery life for
PiranhaMAX™ Portables.
Sensitivity
(Setting Saved in Memory)
PressthePOWER-MENUkeyuntilSENSITIVITYappears.Sensitivitycontrolshow
muchdetailisshownon thedisplay. Increasingthesensitivityshows moresonar
returns from small baitfish and suspended debris in thewater; however,the dis-
play may become too cluttered. When operating in very clear water or greater
depths, increased sensitivity shows weaker returns that may be of interest. De-
creasing the sensitivity eliminates the clutter from the display that is sometimes
present in murky or muddy water. If Sensitivity is adjusted too low, the display
may not show manysonar returns that could be fish.(0 – 10,Default =5)
30