Skipper GDS102 - Alr(A); Alarm Acknowledgement; Alarm Buzzer

Page 32 of 77
SKIPPER Electronics AS
Edition: 2017-06-12
GDS102 Operation and Installation Manual
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Chapter: 2 Operation
ALR(A):
When ALR(A) is set:
• Default 0 m = disabled (No shallow alarm functionality, no shallow alarm NMEA message out).
• To enable shallow alarm: Set shallow alarm to >0 m.
• “Shallow water” alarm acknowledge only by local acknowledgement.
• External acknowledge of “Shallow water” alarm will only silence the local buzzer.
Power Alarm State ALR Acknowledge Alarm Relay Local buzzer
O Not active Not active
On No alarm V A Active Not active
On Alarm A V Active Active
On External acknowledge A V Active Not active
On Local acknowledge A A Active Not active
On End of alarm V A Active Not active
Alarm relay active: NO(normally open) = Open, NC (normally closed) = closed
Alarm relay not active: NO = closed, NC = open
ALR(B):
When ALR(B) is set,
• “Shallow water” alarm may be acknowledged by local or external acknowledge.
Power Alarm State ALR Acknowledge Alarm Relay Local buzzer
O Not active Not active
On No alarm V A Active Not active
On Alarm A V Not active Active
On External acknowledge A A Active Not active
On Local acknowledge A A Active Not active
On End of alarm V A Active Not active
Alarm acknowledgement
ALF and ALR(A):The IEC62288 2014 requires local acknowledge of alarm. Local acknowledge is
performed by pressing any active button on the echo sounder.
ALR(B) will accept local acknowledge and external acknowledge by receiving the __ACK,230*hh or by
operating a remote button that shorts the KEYB+ and KEYB- lines on the terminal board, (KEYB+ = J100
pin 10, KEYB- = J100 pin 11.)
Alarm buzzer
The GDS101 is equiped with an internal (local) buzzer. .
ALF: In ALF the buzzer is allways on When allarm buzzer is active it may be silensed for 30 seconds by
receiving __ACN,102104.00,,230,,A,C*hh
In ALR the local alarm buzzer may be enable/disabled from screen 11 (AUDIO ALR). Default is enabled.