Furuno FS-1575 FS-2575 FS-5075 User Manual

6.  MENU OPERATION

1. Press the 6 key several times to select the desired type.
2. Press the 4 key.
3. Rotate the ENTER knob to select [DELETE LIST] then push the knob.
4. Rotate the ENTER knob to select [Yes] then push the knob.

1. Press the 4 key.
2. Rotate the ENTER knob to select [DELETE ALL LISTS] then push the knob.
3. Rotate the ENTER knob to select [Yes] then push the knob.

The acknowledgement message can be sent automatically when you receive an indi-
vidual message or a PSTN message. You can also enable or disable it for position, 
polling and test messages. For PSTN, position and polling messages, automatic ac-
knowledge is disabled with an active DSC session.

Note 1: For individual message, the automatic acknowledgement is automatically dis-
abled, as required by law, when an RX call contains an error.

Note 2: For individual message, the auto acknowledgement message can not be sent 
when there are RT and/or DSC sessions.

1. Rotate the ENTER knob to select [DSC] on the [MENU] screen then push the 

knob.

2. Rotate the ENTER knob to select [ACK SETTINGS] then push the knob.

Default:
[AUTO (UNABLE)]

[AUTO (ABLE)]: Send 
ABLE acknowledgement 
automatically.
[AUTO (UNABLE)]: Send 
UNABLE 
acknowledgement 
automatically.

Sets reason for UNABLE. 
This menu item is only for 
use with PSTN. 

Default: [MANUAL]

[AUTO (ABLE)]: Send automatic 
acknowledgement of position 
request.
[AUTO (UNABLE)]: Send 
automatic acknowledgement of 
no position information.
[MANUAL]: Send manual 
acknowledgement.

Default: [AUTO]

[AUTO]: 

Send automatic 

acknowledgement of polling request.
[MANUAL]: Send manual 
acknowledgement of polling request.

Default: 
[AUTO]

[AUTO]: 

Send automatic 

acknowledgement of test 
call.
[MANUAL]: Send manual 
acknowledgement of test 
call.

Default: [CAN’T USE CH]

Default:
[AUTO (ABLE)]

If you cannot use the 
frequency or mode 
specified by a sending 
station, [CAN'T USE CH] 
is automatically sent.