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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.

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