Automatic Acquisition; How To Stop The Tracking Of Arpa Target; How To Stop The Tracking Of Selected Targets; How To Stop The Tracking Of All Targets - Furuno 1835 Operator's Manual

3.4.2

Automatic acquisition

When you set an automatic acquisition area, the ARPA can acquire up to five targets
automatically.
The automatic acquisition area is 2.0 to 2.5 nm in range and ±45° on either side of the
heading line in bearing. When you change the automatic acquisition to manual acqui-
sition, targets being tracked in automatic acquisition are continuously tracked.
1. Press the MENU key to open the menu.
2. Use the Cursorpad (S or T) to select [ARPA] and press the ENTER key.
3. Use the Cursorpad (S or T) to select [Auto Acquisition] and press the ENTER
key.
4. Use the Cursorpad (S or T) to select [On] and press the ENTER key.
5. Press the MENU key to close the menu.
3.5

How to Stop the Tracking of ARPA Target

When ten targets have been acquired, no more acquisition occurs unless targets are
cancelled. If you acquire additional targets, you must cancel one or more individual
targets, or all targets. Use one of the following procedures.
3.5.1

How to stop the tracking of selected targets

1. Use the Cursorpad to put the cursor on the target to cancel the tracking.
2. Press the CANCEL/HL OFF key to cancel the tracking and erase the ARPA sym-
bol. The unit beeps twice and the symbol is erased from the screen.
3.5.2

How to stop the tracking of all targets

1. Press the MENU key to open the menu.
2. Use the Cursorpad (S or T) to select [ARPA] and press the ENTER key.
45° port
2.0 - 2.5 nm
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Automatic acquisition area
45° starboard
Heading line
isi ion a ea
isi ion op ions
3. ARPA OPERATION
3-3