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The Beatrice PM4 can output audio to 4 different network locations using the top panel push buttons. These buttons are low profile with blue LED back lighting to indicate an active channel. There are scribble strips under each button for labelling.
These are the selectable button operation modes:
Mic Gain Adjust
On the underside of the unit there is the microphone gain adjustment. This is adjusted via small recessed screw. This can then be simply set by an engineer and reduces the chance of the operator making any unwanted changes. A level indicator LED will show when the input is at line level.
There is a switch to select between dynamic and condenser mics with 48V Phantom power.
The PM4 has several advanced functions that can be configured as required.
A 9 pin d-type connector on the rear panel sends a contact closure output when each of the 4 talkback buttons are pressed, allowing signalling and control to other systems.
Network Connection & Power
Power is supplied via PoE on the network connection using a Neutrik EtherCON locking RJ45 connector. This single connection provides the audio connection and power. PoE is received from the network switch or via a midspan PoE injector.
The PM4 is 101 x 122 x 62mm (WXDXH)
Four solid rubber feet ensure the Pm4 is solid on the counter and will not move.
Audio routing on the network is controlled by Dante Controller. This is a free download from www.audinate.com.
The PM4 will have been named by Glensound to allow discovery by Dante Controller.
The format used for the PM4 name is:
‘PM4-sn-XXXX. This is the serial number which will correspond with the number on the rear of the unit.
Select the output routing on Dante controller to the required destination on other Dante/AES67 devices on the network. It is good practice to rename the channels to a more meaning label. This can be achieved by selecting Device Info on the tabs, double click the PM4, then rename the transmit channels.
Power Over Ethernet (PoE): 48V
Consumption:Power On LED: Blue
Dante® Chipset: Ulitmo
AES67 Compliant: Yes
Number Of Network Interfaces: 1
Coper Ethernet: 1x Neutrik EtherCON Connectors
Audio Sampling Frequency: 48kHz
Transfer Rate: 100 Mbps
Resolution: 24 bit
Size: 101 x 122 x 62 mm (WxDxH)
Mechanics: All aluminium construction, anodized and laser etched. powder coated sides
Mic Input Gain Rnage: Dynamic 48 - 68db,
Phantom 38 - 58dB.
Phantom Power: 48v
Equivalent Input Noise: -125dBu
Frequency Responce: 100Hz to 20kHz. +/- 1dB
300Hz to 20kHz. +/- 1dB
Operating Temperature: 0 to +50 °C (32 to 122 °F)
Storage Temperature: -20 to +70 °C (-4 to 158 °F)
Relative Humidty: 0 to 95% non-condensing
Handbook: Available by download
RJ45 Network Cable: 2 metre Cat5 RJ45 Plug / RJ45 Plug Cable
12" Goose Neck Microphone
Note: Microphone is for images purposes and my differ from one received with item
The Glensound BEATRICE PM4 is a 4 channel desktop Dante paging mic. It is simple to use with key features hidden to prevent tampering. A digital frequency shifter prevents unwanted howl when the mic might pick up nearby audio from a speaker, and a selectable announcement chime is available. It is a very small footprint allowing use where desk space is at a premium.
The PM4 connects to the network via a single network cable which provides the audio link and power via PoE.
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