Humminbird ID 600 - Manual (Page 24)

range. For example, if you set it at “+2”, Sensitivity remains 2 settings higher that the
normal automatic setting.
Pressing the ON-OFF button when the SENS menu is displayed switches the
unit of depth measurement between feet, fathoms and meters.
Bottom Alarm
2. Using Bottom Alarm;
Factory setting; OFF
The Bottom Alarm lets you specify the minimum depth you want to maintain. To use it,
select B ALM; then, press the ON-OFF button to activate the alarm, and the Up or Down
arrow key to adjust the depth at which the alarm will sound. An alarm symbol is
displayed when this function is on.
When the Bottom Alarm is on, you’ll hear a continuous chirping sound when the
bottom is shallower than you defined. This is very handy for alerting you to shallow water
or helping you to maintain position over structure.
Fish Alarm
3. Using Fish Alarm;
Factory setting; OFF