Fishfinder 340C Owner’s Manual 23U SING THE FISHFINDER 340C > U SING THE FISHFINDER 340C K EYPADUsing the Fishfinder 340C KeypadPower/Backlight Key• Press and hold to turn the unit on or off.• Press and release to cycle through themaximum, user-set, and minimum backlightbrightness levels.QUIT Key• Press to cancel data entry or exit a menu.ENTER Key• Press to enter highlighted items and confirmon-screen messages.• Press to mark a waypoint at the pointerposition when in Pointer mode (whenconnected to a compatible NMEA GPS.RANGE Keys• Press to display the Range Menu and selecta setting.Rocker Key• Press to move through menus, highlightfields, enter data, or move the pointer.• Press to change the current adjustment.ADJ/MENU Key• Press to open the Adjustment Menu.• Press and hold to open the Main Menu.PAGE Key• Press to cycle through the main pages insequence.DATA/CNFG Key• Press to toggle the data fields in the upper-left corner of the page between the basic andadvanced configurations.• Press and hold to enter advanced data setup.GAIN Key• Press to display the Gain Menu, and then usethe Rocker to select a setting.PAUSE Key• Press to pause a Sonar or Flasher Page.• Press and hold to enter Pointer mode.