HME DX300 User manual

HME# 400G605
Rev A 1/18/08
DX300
Wireless Headset System
Operating Instructions

Table of Contents
SECTION 1. INTRODUCTION..............................................................................................1
SECTION 2. EQUIPMENT IDENTIFICATION..................................................................2
STANDARD EQUIPMENT.....................................................................................................................................2
OPTIONAL EQUIPMENT ......................................................................................................................................3
EQUIPMENT FEATURES ......................................................................................................................................4
Base Station .........................................................................................................................................................4
Beltpac .................................................................................................................................................................6
All-In-One Headset (optional) .............................................................................................................................6
SECTION 3. EQUIPMENT SETUP......................................................................................7
BATTERY CHARGER............................................................................................................................................7
BASE STATION......................................................................................................................................................8
Optional Battery Operation of Base Station......................................................................................................... 9
Multiple Base Stations ....................................................................................................................................... 10
Audio Connection ......................................................................................................................................... 10
Single/Dual Channel Setting .........................................................................................................................10
Initialize Multiple Base Stations ................................................................................................................... 11
Base Station Microphone Gain Adjustment.......................................................................................................12
BELTPACS ............................................................................................................................................................13
Beltpac Registration........................................................................................................................................... 13
Beltpac or All-In-One Headset Operating Mode Setup ..................................................................................... 14
Beltpac or All-In-One Headset Adjustments .....................................................................................................15
Side Tone Adjustment................................................................................................................................... 15
Microphone Gain Adjustment....................................................................................................................... 15
OPTIONAL REMOTE ANTENNA INSTALLATION......................................................................................... 16
OPTIONAL AUXILIARY EQUIPMENT CONNECTION....................................................................................17
SECTION 4. EQUIPMENT OPERATION.........................................................................18
THE BASICS ......................................................................................................................................................... 18
IN THE PRESS BOX – Base Station Operation.............................................................................................18
ON THE FIELD – Beltpac / All-In-One Headset Operation ..........................................................................19
Changing Batteries............................................................................................................................................. 20
SECTION 5. TROUBLESHOOTING..................................................................................21
FREQUENTLY ASKED QUESTIONS................................................................................................................. 23
SECTION 6. TECHNICAL DATA......................................................................................24
EQUIPMENT SPECIFICATIONS.........................................................................................................................24
Base Station...................................................................................................................................................24
Beltpac ..........................................................................................................................................................25
All-In-One Headset .......................................................................................................................................25
BLOCK DIAGRAM...............................................................................................................................................26
SECTION 7. INDEX...............................................................................................................27
© 2008 HM Electronics, Inc.
The HME lo
g
o and
p
roduct names are re
g
istered trademarks o
f
HM Electronics, Inc. All ri
g
hts reserved.
HM Electronics, Inc. is not responsible for equipment malfunctions due to erroneous translation of its publications from their
original English version. Illustrations in this publication are approximate representations of the actual equipment, and may
not be exactly as the equipment appears.

FCC NOTICE
This device complies with Part 15 of the FCC rules. Operation is subject to the following two conditions:
(1) This device may not cause harmful interference, and (2) This device must accept any interference
received, including interference that may cause undesired operation.
NOTE: This equipment has been tested and found to comply with the limits for a Class A digital device,
pursuant to Part 15 of the FCC rules. These limits are designed to provide reasonable protection against
harmful interference when the equipment is operated in a commercial environment. This equipment generates,
uses and can radiate radio frequency energy and, if not installed and used in accordance with the instruction
manual, may cause harmful interference to radio communication. Operation of this equipment in a residential
area is likely to cause harmful interference, in which case the user will be required to correct the interference
at his own expense.
Changes or modifications not expressly approved by HM Electronics, Inc. could void the users authority
to operate this equipment.
Hereby, HM Electronics, Inc. declares that the DX300 is in compliance with the essential requirements and other
relevant provisions of R&TTE Directive 1999/5/EC.
This product operates in the 2400 to 2483.5 MHz frequency range. The use of this frequency range is not yet
harmonized between all countries. Some countries may restrict the use of a portion of this band or impose other
restriction relating to power level or use. You should contact your Spectrum authority to determine possible
restrictions.
WASTE ELECTRICAL AND ELECTRONIC EQUIPMENT (WEEE)
The European Union (EU) WEEE Directive (2002/96/EC) places an obligation on producers (manufacturers,
distributors and/or retailers) to take-back electronic products at the end of their useful life. The WEEE Directive
covers most HME products being sold into the EU as of August 13, 2005. Manufacturers, distributors and retailers
are obliged to finance the costs of recovery from municipal collection points, reuse, and recycling of specified
percentages per the WEEE requirements.
Instructions for Disposal of WEEE by Users in the European Union
The symbol shown below is on the product or on its packaging which indicates that this product was put on the
market after August 13, 2005 and must not be disposed of with other waste. Instead, it is the user’s responsibility to
dispose of the user’s waste equipment by handing it over to a designated collection point for the recycling of
WEEE. The separate collection and recycling of waste equipment at the time of disposal will help to conserve
natural resources and ensure that it is recycled in a manner that protects human health and the environment. For
more information about where you can drop off your waste equipment for recycling, please contact your local
authority, your household waste disposal service or the seller from whom you purchased the product.

LIMITED WARRANTY
HM Electronics, Inc. (“HME”) warrants the DX300 for a period of two (2) years* from the date of
purchase against defects in materials or workmanship provided it was purchased from an
authorized dealer. During the warranty period, defective HME Products will be repaired without
charge for parts and labor. Simply return the defective HME Product with your sales slip as
proof of the date of purchase. If a defective HME Product is returned prepaid to HME or an
authorized HME service center, it will be repaired and returned prepaid. Replacement of
nonconforming goods and repair of defective HME Products are the sole and exclusive
remedies available under this warranty.
This warranty shall be void if (a) the HME Products have been tampered with, neglected,
modified, abused or misused; (b) anyone other than HME employees or authorized HME
service representatives provide service on or to the HME Products; or (c) the serial numbers are
not intact.
THIS WARRANTY COVERS HME PRODUCTS, AND IS NOT EXTENDED TO ASSOCIATED
NON-HME PRODUCTS OR ACCESSORIES, OR ANY DAMAGE TO HME PRODUCTS
CAUSED BY SUCH NON-HME PRODUCTS OR ACCESSORIES. IN NO EVENT WILL HME
BE LIABLE FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES, OR LOSS OF PROFITS
ARISING FROM THE USE OF OR INABILITY TO USE ANY HME PRODUCTS, OR FROM
ACCIDENTS OR ACTS OF GOD.
HME MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, WITH RESPECT TO
HME PRODUCTS EXCEPT AS SPECIFICALLY SET FORTH ABOVE.
This warranty is provided to the original purchaser of the HME Products described on this
packing list and is non-transferable without the written permission of HME.
RETURN POLICY:
ALL SALES FINAL. No returns will be accepted (except for nonconforming goods as specified
above) unless HME authorizes such return and unless such return occurs within 90 days of
receipt. A 15% restocking charge will be assessed on all such authorized returns. Authorized
returns must be freight prepaid and shall include an authorization number noted on the outside
of the package. Such authorization number will be provided by HME at the time it authorizes
such return. All freight sent collect and packages without an authorization number will be
refused and returned to sender.
* Exceptions:
Certain exceptions may apply. Refer to the HME website at http://www.hme.com/proAudio.cfm.

1
SECTION 1. INTRODUCTION
The DX300 provides secure communication among the coaching staff
Spotters in the press box can communicate with offense “O” only, defense “X”
only or “ALL” coaches via headsets connected directly to the base station
Coaches on the sideline wear beltpacs with headsets to communicate with
each other and the spotters
Beltpacs can be set up for communication with any combination of offense,
defense and ALL
This manual includes detailed setup and operating instructions for your
DX300 system
Basic 5-Coach System
1 base station
3 beltpacs
5 headsets
Expanded 10-Coach System
2 base stations
6 beltpacs
10 headsets

2
SECTION 2. EQUIPMENT IDENTIFICATION
STANDARD EQUIPMENT
Base station
Antennas
Battery sled
Beltpac with headset, pouch and battery All-in-one headset with battery
OR
Headse
t
Power adapter and cord
Base station
interconnect cable
Battery charger with power supply and cord
for beltpac and all-in-one headset batteries Travel case
10-pin
spring clamp
connector

3
OPTIONAL EQUIPMENT
Headset with
dual ear muffs
Model # HS14D
Headset, all-in-one,
with battery
Model # WH300
Headset extension cable, 6 ft (1.83 meter)
Foam earmuffs for all-in-one headset
Rechargeable battery for base station
Model # BAT850 Battery charger for base station batteries Model # AC850
Remote antenna kit with
6 foot (1.83 meter) cable
and bracket
Remote antenna kit with
30 foot (9.14 meter) cable
and bracket
Adapter cable for headset
w/ dynamic microphone
and XLR connector
Model # MD-XLR4F
MD-XLR4M
MD-XLR5F

4
EQUIPMENT FEATURES
Base Station
Top Panel —
Right select
b
utton
Right talk
b
utton
Battery
compartment
latches
Antennas
Left
headset
volume
control
Power
b
utton
Right
headse
t
volume
control
Left select
b
utton
Left talk
button
Left talk
lights
Right talk
lights
Active
Communicator
lights
Clear
registration
b
utton
Registration
button
Registration
status
indicato
r
Reset
switch
(
recessed
)

5
Front Panel —
Left Side Panel —
Right Side Panel —
Rear Panel —
Cable “input”
from another
b
ase station
Microphone gain
adjustment for
left headset
Left headset
connector
Cable “output”
to another
b
ase station
Microphone gain
adjustment for
ri
g
ht headse
t
Right
headset
connecto
r
Primary/Secondary
base station
selection switch
Single/Dual
base station
selection switch
Auxiliary audio
input/output
connecto
r
Antenna
connectors
Power supply
connecto
r
Auxiliary audio
in/out volume
adjustments
(
r
ecessed)

6
Beltpac
All-In-One Headset (optional)
Offense
b
utton
Defense
butto
n
Volume
up button
Volume
down button
All
b
utton
Battery
release
latch
Battery
Power
b
utton
Offense
button
Power/Defense
talk light
Power/Offense
talk light
Defense
b
utton
All
b
utton
Headset
cable
connector Volume
down button
Volume
u
p
button
Power
butto
n
Headband
slide-to-fi
t
Sanitary
muff
Power/Talk
li
g
h
t
Talk
li
g
h
t
Microphone
b
oo
m
Battery
Battery
release
latch