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Fish Alarm
You can use the Fish Alarm to make a distinctive audible alarm when the
Fish I.D. feature (Fish I.D. must be turned on for the Fish Alarm to work)
detects fish or other suspended objects. A different tone will sound for each
fish symbol size shown on the display.
Sonar Alarms menu with Fish Alarm selected. When the checkbox is
blank, alarm is off.
To turn on the fish alarm:
1. Press MENU|MENU|↓ to ALARMS|ENT|↓ to SONAR ALARMS|ENT.
2. Press
↓ to FISH ALARM|ENT|EXIT|EXIT|EXIT.
Calibrate Speed
You can calibrate the speed sensor to compensate for inaccuracies. Before
you change the setting, first calculate the percentage that the speed is off.
A good way to gauge your speed sensor's performance is to compare its
reading with the ground speed measured by your unit's GPS functions.
When you make a run to compare the GPS ground speed to the speed
sensor, perform your test in relatively current-free calm water, if possible.
(Unless, of course, you are taking the current speed into consideration when
making your calculation.)
For example, if you figure the sensor is reading 1 percent faster than
actual speed, you will enter – 10 in the calibration window. If the sensor is
reading 5 percent slower than true speed, you will enter + 5 in the window.
After you have a correct figure, here's how to enter it:
1. Press
MENU|MENU|↓ to SONAR SETUP|ENT|↓ to CALIBRATE WATER SPEED|ENT.
2. Enter the number you calculated earlier: press ↑ or ↓ to change the
first character (+ or –), then press → to move the cursor to the next
number and repeat until the percentage is correct, then press
EXIT.
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