MSA BLTS-1006, Operating Manual

Page: 58 / 72

Version 0.1 58
Batteryless telephone system with public address mode BLTS-1006
Headset HS-5, HS-5C, HS-5AC
Description: external communication device for
talk-back communication in normal noisy environment.
Features:

one-eared ;

freedom to move;

PTT switch;

adjusted headband;

flexible adjusted microphone and fixed;

connected to telephones and сommutator tele-
phones;

cord CE type may be used;

cable HS-3 with bare ends;

cable HS-3C with plug type connector;

cable HS-3AC with angle plug type connector.
Technical specifications:

headset type: passive, monophonic;

operating frequency range: 150…7000 Hz;

close-talking response at frequency 1000 Hz (idle run):
0.4…1.1 mV/Pa;

module of microphone impedance at frequency 1000 Hz:
300 ± 60;

roughness of close-talking response microphone frequency char-
acteristic within 150…7000 Hz: 15 dB;

microphone axial selectivity to spherical field at frequency
150 Hz: 8 dB;

output voltage of electroacoustic interaction of headset transmis-
sion at noise pressure 1000 Hz at load 3 kOhm: 10 mV;

operation at noise: max. 120 dB;

operating temperature: –40 ℃…+55 °C;

IP rating: IP56;

weight
:
6.0 kg.
Mounting type: wall, on a bracket (storage).