JRC JFE-380 Instruction Manual page 35

RX ALARM
When the receiving signal becomes abnormal, the alarm operation is selected.
Make RX ALARM a yellow display, press
content.
Set content
OFF
ON
Select the operation by
BUBBLE ALARM
When sea bottom cannot be detected by the influence such as bubbles, the alarm operation is selected.
Make BUBBLE ALARM a yellow display, press
content.
Set content
OFF
ON
Select the operation by
PRINTER ALARM
When the printer becomes abnormal, the alarm operation is selected.
Make PRINTER ALARM a yellow display, press
set content.
Set content
OFF
ON
Select the operation by
Please refer to next page for the relation between each alarm and the screen alarm display.
OFF/ON
The receiving signal alarm doesn't operate.
When abnormality occurs in the receiving signal, the receiving signal alarm is started.
and press the [ENT] key.
OFF/ON
The bubble alarm doesn't operate.
When sea bottom was not able to be detected ten times or more, the bubble alarm is
started.
When sea bottom was not able to be detected 30 times or more with range of
10/20/50m, the bubble alarm is started.
When sea bottom is detected after the bubble alarm starts, it is released.
and press the [ENT] key.
OFF/ON
The printer alarm doesn't operate.
When the data of "No paper" is received from the printer, printer alarm is started.
Moreover, when it becomes impossible to communicate with the printer,
"Communication abnormality" alarm is started.
However, when the printer is not connected at the time of turning on the power
supply, this item is not displayed.
When normally returning after the printer alarm starts, it is released.
and press the [ENT] key.
or the [ENT] key, and select it from the following, set
or the [ENT] key, and select it from the following, set
or the [ENT] key, and select it from the following,
4. Operation 23