ASL INTERCOM BS 17 Короткий посібник - Сторінка 3
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6.0
SIDE PANEL CONTROLS
4
BUZZER VOLUME trimmer
To adjust volume of the internal buzzer.
6
MIC GAIN trimmer
To increase the mic gain, turn trimmer clockwise.
To decrease the mic gain, turn trimmer
counterclockwise
7.0
BOTTOM PANEL CONNECTORS
8.0
TECHNICAL SPECIFICATIONS
System
dynamic range: 80 dB (1 kHz, THD<1%)
frequency response: 200 Hz – 15 kHz (-3 dB)
call signal (send): 2.8 mA
call signal threshold (receive): 2.4 V DC
operating voltage: 24 - 32 V DC
line impedance: 350 Ω (1kHz), 2.2 kΩ (DC)
audio level: nom. -18 dBu, max. 0 dBu
Mic. Pre-amp
gain: 40 - 60 dB
presence filter: +6 dB at 5 kHz
voltage to electret mic: 9 V DC
Headphones Driver Amp
max. output level: 11.6 Vrms @ 200 Ω
max. output power: 0.7 Wrms @ 200 Ω
PAGE 3
Quick Guide BS 17 / May 2013 © ASL Intercom BV
.
5
SIDETONE trimmer
To adjust the level of your voice as you hear it in
your headset.
Side tone adjustment procedure :
•
set trimmer in start position : fully
clockwise
•
switch off the microphones of all
connected (speaker) stations
•
switch on the microphone of the BS 17
•
turn up the volume
•
speak into the headset mic and adjust the
listen level by turning the trimmer.
The trimmer operating area is between fully
clockwise and minimum level. Adjusting the side
tone does not affect the level of your voice as it is
heard by other stations.
7
LINE connectors (XLR-3)
To connect the BS 17 to the intercom party line.
The female XLR is the intercom line input and
the male XLR is for daisy chaining the intercom
party line to other user stations ('daisy chaining').
8
HEADSET connector (XLR-4)
To connect a headset to the BS 17. The headset
can(s) must have a can impedance of minimum
200 Ω. The headset mic may be of the dynamic
or electret type. l
Side Tone
Rejection: 0 - 30dB adjustable
Buzzer
max. SPL: 85 dBA at 0.1m
Power Consumption BS 17
current (at 30 V DC) :
18 mA quiescent / 35 mA signaling
80 mA at max. output + signaling
BS 17 Dimensions & Weight
Width: 78 mm / Height: 46 mm
Depth: 86 mm / Weight: 145 grams
0dBu defined as 775 mV into open circuit.
ASL reserves the right to alter specifications