Furuno FM-8500 Operator's Manual page 63

(from previous page)
PSTN CALL
Immediately
* Call in progress *
PSTN CALL CH70
(Transmission time is about 0.4 - 0.6 seconds.)
(*)
If ACK BQ from coast station is not
received within five seconds PSTN
call is automatically retransmitted.
* Call in progress *
AUTO RETRY
* Waiting for ack BQ *
5 sec to go
Counts down.
• If ACK BQ is received;
• If ACK BQ is not received;
* No response *
Try again after 15 min
Recall after 15 minutes.
(NOTE 1) When you receive "unable to comply" (BUSY) command
(NOTE 2) If there is no reply (voice response) from subscriber within
CH70
instead of "able", the FM-8500 waits for "Ring back call" from
coast station for 15.5 minutes. Then, if it is received, carrier
is automatically transmitted.
one minute at "PSTN CALL connected" display, the
communication line will be disconnected. The display should
look something like the display 2 on the page 5-7.
If you hang the handset on the hanger, the display 1 shown
on the next page appears to break the communication line.
(*)
* Waiting for ack BQ *
AUTO RETRY in 5 sec
If ACK BQ is received, PSTN
CALL (EOS) signal and carrier are
transmitted (NOTE 1).
* Call in progress *
CARRIER
Working channel designated
by coast station.
Transmission time is about
two seconds.
* PSTN CALL connected *
To end call: [CANCEL]
Ringer bell of VHF sounds. Take handset
from VHF hanger and commence voice
communication (see NOTE 2).
Counts down.
5-5