Furuno FS-1570 - Manual (Page 108)

5 CALLING, RECEIVING
5-46
4. To scroll the log up and down, use the [FILE/CURSOR] and [#/SETUP] keys,
respectively.
5. To print selected file, press the [8/PRINT] key.
6. To reply to an unanswered call, rotate the [ENTER] knob to choose ANSWER and
then press the [CALL] key.
7. To return to the log selected, press the [CANCEL] key.
Deleting files
1. Do steps 1-2 and 3a) in the previous procedure to choose the file you wish to delete.
2. Rotate the [ENTER] knob to choose DELETE.
The log files are renumbered to reflect the deletion. Unread files cannot be deleted.