7
2.3. Requirement on Receiving and Display
It prints out receiving message less than 4% error rate and ID (B1B2B3B4) are stored in the
memory to prevent out duplicate message in next receiving.
If the error rate of receiving message is at 33% (For over 5 sec.), stop receiving and do not save
the message on memory.
(If it does not receive "ZCZC B
1
B
2
B
3
B
4
" normally, stop receiving and saving a message.) When it
does not receive “NNNN" normally, no saving on memory even though it displays.
Available to save 100 head Ids and delete oldest message if it is over 200.
Automatically delete saved ID after around 72 hours.
Information of B1 and B2 are available to memorize for six hours after power off.
Serial number of messages prints out from “B
3
B
4
” to "00" whenever it receives.
It receives transmitting station of serial number “B
1
” and it can be confirmed the transmitting
station selected on the menu.
(It sets messages of all transmitting station (A~Z) in order to receive message when it delivers.)
It receives messages type of serial number “B
2
” and it confirms type at MENU. (It sets messages
of all transmitting station (A~Z) in order to receive message when it delivers.)
It contents A (navigational warning), B (meteorological warning), D (Research and Rescue), L
(additional warning at “L”), it doesn’t set to stop receiving. “D” always sounds alarm, it sets A, B,
L message.
(A, B, L message sets to stop alarm.)
If receiving letters have errors, it prints out “*” instead of the error letters.
2.4. Printer Port
Printer is supplied a printer interface port for the users to connect it selectively. The printer port is
a type of a serial interface.
2.5. External Port
The function of RS-422 interface is supplied to be possible connected with NAVIGATIONAL
equipments.