PowerFLARM Core Manual v.150 International
Audio OUT
Audio OUT (pin 1) is available for hardware version 1.1 and later
(FLAPFC11...), provided the corresponding feature license is in-
stalled. PowerFLARM emits 1kHz beeps on Audio OUT whenever
dangerous traffic is detected. A test beep is emitted after power up.
Dedicated PowerFLARM displays have their own sound generator
(buzzer). Audio OUT is only necessary when the buzzer of the con-
nected PowerFLARM display(s) is not loud enough to be heard in a
high-noise environment.
Electrical characteristics:
• AC signal, 1.7V peak-to-peak @ 1 kOhm
• Referenced to GND (pin 5), no DC bias
• Output impedance: 47 Ohm
• Output current (max.): 35mA
Connect Audio OUT to audio panels or other amplifiers with input
impedance between 200 Ohm and 10 kOhm. The audio panel or
amplifier should allow volume adjustment.
Do not connect a passive headset or speaker directly to Audio
OUT. If you are unsure about how to connect Audio OUT, con-
tact your dealer.
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