Ears-104
Commercial in Confidence
Copyright © 2021, all rights reserved by Exacom, Inc.
5
2.4
Specifications
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Performance
o
Frequency response: @8KHz Sample rate: 200 to 3400Hz
o
Signal-to-noise ratio: 80db
o
Total Harmonic Distortion: -89dB typical / -75dB max
o
Audio input level: -50dB to +5dB with AGC
o
Input Impedance: High-Z
•
Digital Storage
o
Memory Type: Flash Memory
o
Memory Size: Up to 32GB microSDHC
o
Usable Storage Space: 24GB Max (8GB Reserved f or Ears)
o
Channel Hours: 400 Channel Hours Raw PCM
•
Electrical Characteristics
o
12VDC/2A, external supply included
•
Weight
o
13 oz. excluding power supply
•
Physical Dimensions
o
1.5”H x 5.5”W x 3.75” D
2.5
Optional External Equipment
The Ears f unctions as a stand-alone f our channel recorder but is also used to f orward captured audio to
an Exacom HindSight Multi-Media Server
2.6
Power Up Sequence
The power up sequence occurs when power is applied by connecting the AC/DC power converter
provided or by providing 12V DC to the Ears f rom an alternate source. With a successf ul power up, the
Ears is initialized and will resume normal operation.
2.7
Power Down Procedure
The Ears may be manually powered down using the CTRL button on the f ront panel. To initiate a power
down, hold the control button until the Power LED (Indicator #1, lef t -most) goes f rom green to red, at
which point the button may be released. The system is shutting down and it should not take more than
ten seconds to f inish. Once the shutdown has completed, LED Indicators #1-4 will be of f while LED
Indicators #5-8 will be lit amber. At this time, the power may be saf ely removed f rom the device.
To restart the device, simply re-apply power.
