Furuno GP-3500 - Manual (Page 111)

8. ALARMS
8-7
8.7 Temperature Alarm
Note: This alarm requires water temperature data.
There are two types of water temperature alarms: INSIDE and OUT. The INSIDE
alarms sounds when the water temperature is within the range set, and the OUT
alarm sounds when the water temperature is higher or lower than the range set.
1. Press the [MENU] key to show the main menu.
2. Press the [6] key to show the ALARMS SETUP menu.
3. Rotate the [ENTER] knob to select TEMPERATURE ALARM.
4. Press the [1] or [2] key to select “1. INSIDE” or “2. OUT” as appropriate.
5. Rotate the [ENTER] knob to select MINIMUM TEMPERATURE.
6. Press the numeric keys to enter the minimum temperature value, and then
pres the [ENTER] knob.
To switch “+” and “-” press the [CURSOR ON/OFF] key.
7. Rotate the [ENTER] knob to select MAXIMUM TEMPERATURE.
8. Press the numeric keys to enter the maximum temperature value, and then
press the [ENTER] knob.
9. Press the [MENU] key several times to close the menu.
Note: To deactivate the alarm, select “3. OFF” at step 4.
8.8 Shear Alarm
Note: This alarm requires water temperature data.
The shear alarm sounds when the water temperature changes more or less than
the preset value within the interval time set.
1. Press the [MENU] key to show the main menu.
2. Press the [6] key to show the ALARMS SETUP menu.
3. Rotate the [ENTER] knob to select SHEAR ALARM.
4. Press the [1] key to select “1. ON.”
5. Rotate the [ENTER] knob to select GRADIENT OF TEMP.
6. Press the numeric keys to enter the gradient of temp value, and then press
the [ENTER] knob. (Setting range: 0.1 to 10.0°C)
7. Rotate the [ENTER] knob to select INTERVAL.
8. Press the numeric keys to enter the interval value, and then press the
[ENTER] knob. (Setting range: 10 to 12 seconds)
9. Press the [MENU] key several times to close the menu.
Note: To deactivate the alarm, select “2. OFF” at step 4.