Fireman microphone, Overview, Characteristics – ATEIS IDA8C User Manual
Page 179: Configuration
Product Features
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4.2.10 Fireman Microphone
4.2.10.1 Overview
The Fireman Microphone SHM 1 is a small compact microphone dedicated to security calling. It is a
totally monitored microphone with internal resistor network to detect four different states (Shortcut,
Closed Contact, Open Contact, Absent). Firemen Microphone SHM 1 for All call, group or zone calls.
4.2.10.2 Characteristics
Case
Dimension = 62mm (W) x 45mm (L) x 102mm (H).
Weight = 0.15KG
Cable = 1.8M(
spring cord
)
Microphone
Bandwidth @ -3dB = 300Hz ~ 6kHz.
Impedance = 500ohm.
Sensitivity = -72dB
4.2.10.3 Configuration
Fireman microphone needs config using Ateis Studio before working. Fireman is the DSP component for
the microphone. Most of time Fireman component is working with Network Paging component, in such
settings, fireman microphone is able to paging.