Relay Output - JRC JLR-7700MKII Instruction Manual

3.4.5

Relay Output

The relay circuit of the navigator can output either the external buzzer or log pulse.
The relay circuit outputs the signals shown in the table below via the pin numbers 6 and 7 of the DATA OUT
connector described under the item 3.4.4 "Data Output".
Note that the maximum loading capacity of the connector pins is 200 mA at 24 VDC.
Output
External buzzer
Log pulse
Press the MODE PLOT
Then, press the BUZZER/LOG
The screen returns to the PLOT screen when the ENT key is pressed.
Screen display
EXT BUZZER An external buzzer can activate any sound alarms described in
the Attachment 2-A. Pressing the CLR key can stop the alarm
sound in the same manner as that with the navigator.
LOG PULSE The log pulse is calculated and output at a rate of 200 pulses per
nm based on the vessel speed, which is mainly fed to a radar or
equivalent.
and AUX keys.
to select a desired data output (either the external buzzer or the log pulse).
6
7
DATA OUT connector
Description
Relay circuit
JLR-7700 MK 2 GPS Navigator
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