38On the Water38Appendix DIndexAAccessories ...................................................................................................... iiAdjust the Scroll Speed .................................................................................. 16Adjustment Bar ............................................................................................. 12Alarms .................................................................................................... 22, 35Arrow Keys .................................................................................................... 10BBatteries ........................................................................................................ 37Battery Voltage (alarm) .................................................................................. 23Battery Voltage (display) ................................................................................ 20Beeper ........................................................................................................... 24CCalibration .................................................................................................... 25Chart ............................................................................................................. 15Contrast ........................................................................................................ 24DDeep Water ................................................................................................... 23Depth ............................................................................................................ 26Depth Line ...................................................................................................... 18Display ............................................................................................................viDisplay Installation.......................................................................................... 7EEnter Key ...................................................................................................... 10FFactory Setup ................................................................................................ 27Fish Alarm .................................................................................................... 22Fish Symbols ................................................................................................. 15Fishfinder 160 Portable ................................................................................. 36Flasher .......................................................................................................... 19Flush Mount ................................................................................................... 8GGain . ............................................................................................................ 14