JRC JFC-7050, Operation Manual

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Operation
8.1.2. Deep Range
Setup the range of deep depth alarm
( The default setting is 0m.)
8.1.3. Shallow Alarm
It alarms when the set shallow depth is out of the range.
( The default setting is Off.)
8.1.4. Shallow Range
Setup the range of shallow depth alarm
( The default setting is 0m.)
8.2. Temp(Temperature)
8.2.1. High Alarm
It alarms when the set high temperature is out of the range.
( The default setting is Off.)
8.2.2. High Range
It alarms when the set high temperature is out of the range.
( The default setting is 0.)
8.2.3. Low Alarm
It alarms when the set low temperature is out of the range.
( The default setting is Off.)
8.2.4. Low Range
It alarms when the set low temperature is out of the range.
( The default setting is 0.)
8.3. Fish-School
8.3.1. Alarm
It alarms when it detects school of fish.
It will detect school of fish depend on set depth, range and level of the Echo sounder.
( The default setting is Off.)
8.3.2. Alarm Depth
If the alram is on, It is available to setup the depth of the Fish-school
( The default setting is 10m.)