USING THE 150SX
MENU FUNCTIONS
alarm is adjustable to depths of 3' (1m) to 99' (30m). When the alarm is enabled, an audible alarm sounds if the water beneath the boat is equal to or less than the selected alarm depth. The alarm sounds continuously for about five seconds, and then intermittently to remind you that you are still in shallow water.
Fish Alarm. The Fish Alarm alerts you to the presence of fish, or other targets not connected to the bottom. The Fish Alarm has three different settings that correspond to the three different size fish symbols shown
The default setting is “OFF.” With the “Large fish only” setting, the 150SX alarms on only those targets that are represented by the large fish symbols. The 150SX can be set to alarm on only large and medium fish, or set to alarm on all fish.
Once the Fish Alarm is enabled, the 150SX emits an audible beep when the
selected size fish symbol appears on-screen.
Options. The Options Menu is a series of linked menu functions used initially to
set your preferences. Once your preferences are selected, it is unlikely these functions need to be 
accessed during the normal operation of the 
product.
The Options menu works differently than other 
menu functions in that all of the options must 
be cycled through in order to return to normal 
operation. There are eleven Option menus: 
Contrast, Display Speed, Battery Alarm, Bottom Black, Fish ID, Numeral Size, Diagnostic, Units, Languages, Depth Offset, Reset.
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