Introduction
Digital paging microphone
The APM1xx series are digital paging microphones which are available in different models with
different numbers of freely programmable function / zone selection buttons, from 1 up to 16. They
are designed to be used in combination with various types of audio equipment, including matrix
systems (both analogue and digital) and relay units.
Depending on the device the APM is connected to, the configuration can be programmed allowing
standard functions such as zone select, push-to-talk or relay activation, while advanced function
such as voice-file playback are also possible.
An internal memory allows storage of voice-file messages, while a compressor/limiter with automatic
gain monitors the microphone level and controls the output level of the unit. The functioning of the
device and communication is monitored and indicated on the front panel.
The construction is made of solid steel enclosure fitted with a 35 cm electret gooseneck microphone
with cardioid pickup characteristic. This guarantees a stable and optimal placement on any desk.
Priority based paging is possible when multiple units are connected together.
