Optional Connections; Nmea Output; Alarm Buzzer; Second Temp Sensor - Standard Horizon CP1000C Owner's Manual

2.3

OPTIONAL CONNECTIONS

The FF520 has one NMEA output, one alarm buzzer output and a second input for a
temperature sensor.
2.3.0

NMEA Output

The following sentences are outputted: DPT and DBT (Depth), VHW (Speed), VLW (Trip
Log), MTW (Water Temperature), XDR (External Sensor Temperature).
2.3.1

Alarm Buzzer

This connection has the capability to drive a buzzer that draws 400mA. Any 12VDC buzzer
within the current draw requirements can to be connected.
2.3.2

Second temp sensor

Any thermistor type temp sensor that produces 10K ohms at 77 degrees F can to be
connected.
2.3.3

LED Status Indicator

There are seven different LED behaviors, representing seven different diagnostic condi-
tions. These are described below.
· OFF
The FF520 is running in the boot loader, or DC power is not being supplied to the FF520.
· ON CONTINUOUSLY
The transducer is not connected to the GPS Chart plotter or problem with cable of the
transducer cable..
· 1 LONG FLASH EVERY 2 SECONDS
FF520
Figure 2.3 - The FF520 Optional Connections
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