Simrad SP90

Simrad SP90Fish alarmThe Fish Alarm button is located in the Setup menu.The Fish Alarm function makes it possible to set up the sonar towarn you when a school of fish are detected inside the selectedsector. The selected sector is displayed with white dashed lines inthe horizontal picture.• Fish Alarm - On/Off switch used to activate or deactivate thefish alarm.• Start Range - used to select the range for the alarm sector tostart. The start range can be selected between 0 and 7900 meters.• End Range - used to select the range for the alarm sector to end.The end range can be selected between 100 and 8000 meters.• Width - used to select the width of the alarm sector. The sectorwidth can be selected between 10 and 360 degrees.• Alarm Threshold - used to select at which echo level the alarmshould be activated. The selected echo level is shown with thewhite pointer in the echo colour bar below the AlarmThreshold button.The Close button closes this menu.The Help button opens the on-line help.100 850--164511 / B