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OWNER'S MANUAL
EARMARK
EARMARK
EARMARK
EARMARK
EARMARK
1125 Dixwell Avenue, Hamden, CT 06514
Telephone 203-777-2130
www.earmark.com
OPERATING INSTRUCTIONS
OPERATING INSTRUCTIONS
OPERATING INSTRUCTIONS
OPERATING INSTRUCTIONS
OPERATING INSTRUCTIONS
FOR THE VALCOMM 900 HEADSETS
FOR THE VALCOMM 900 HEADSETS
FOR THE VALCOMM 900 HEADSETS
FOR THE VALCOMM 900 HEADSETS
FOR THE VALCOMM 900 HEADSETS
I DESCRIPTION AND GENERAL INFORMATION
Your new Earmark ValComm 900 Headset provides you with hands-free communication
capability. It has many features to assist in building your productivity. Earmark Headsets
are supplied in a variety of models. Before going any further, please check the name
plate label on your Headset and determine which of the below listed models you have.
I
MODEL NETWORK DESCRIPTION
VC900-HD
FULL DUPLEX PAIR- VC900-HDA & VC900-HDB
VC900-HDA FULL DUPLEX HEADSET FOR USE WITH VC900-BD BASE
VC900-HDB FULL DUPLEX HEADSET FOR USE WITH LISTEN ONLY HEADSETS
VC900-HL
LISTEN ONLY HEADSET... NO MICROPHONE
VC900-HH
HALF DUPLEX HEADSET - REQUIRES REPEATING BASE OR HEADSET
VC900-HG
REPEATING HEADSET - USE WITH MULTIPLE VC900-HH OR HL
®
REV A 08/2015
p/n 400070
SPECIFICATIONS
GENERAL
Performance specifications are nominal unless otherwise specified and are subject to
change without notice.
General Frequency Range
902-928 MHz Std.
Operation mode
Duplex
Power Supply
3.6V NiMh internal rechargeable battery system/1800mah
Charger
Output 6vdc @500ma into 3.5mm jack, Input [email protected]
Weight
Approximately 16 oz.
Microphone
Electret, 3k Ohm
TRANSMITTER
RF Output
10 mW
Spurious & Harmonics
75 dB
Modulation
16K0F3E
Frequency Stability
xxxx
Voice Compressor
xxxx
RECEIVER
Receiver Circuit
xxx
Sensitivity
xxx
Modulation Acceptance
xxx
Selectivity
xxx
Spurious & Image
xxx
Intermod Response
xxx
Frequency Stability
xxx
APPROVALS AND AUTHORIZATIONS
FEDERAL COMMUNICATIONS COMMISSION
This headset complies with Part 15 of the FCC rules. Operation is subject to two conditions: (1) This
device may not cause harmful interferance and (2) this device must accept any interferance received
including interferance that may cause undesired operation.