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READ these instructions.
KEEP these instructions.
HEED all warnings.
FOLLOW all instructions.
DO NOT use this apparatus near water.
CLEAN ONLY with dry cloth.
DO NOT block any ventilation openings. Install in accordance with the manu-
facturer's instructions. 
DO NOT install near any heat sources such as radiators, heat registers, stoves, 
or other apparatus (including amplifiers) that produce heat.
DO NOT defeat the safety purpose of the polarized or grounding-type plug. A 
polarized plug has two blades with one wider than the other. A grounding type 
plug has two blades and a third grounding prong. The wider blade or the third 
prong are provided for your safety. If the provided plug does not fit into your 
outlet, consult an electrician for replacement of the obsolete outlet.
PROTECT the power cord from being walked on or pinched, particularly at plugs, 
convenience receptacles, and the point where they exit from the apparatus.

ONLY USE attachments/accessories specified by the manufacturer.

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UNPLUG this apparatus during lightning storms or when unused for long periods of 
time.
REFER all servicing to qualified service personnel. Servicing is required when the 
apparatus has been damaged in any way, such as power-supply cord or plug is dam-
aged, liquid has been spilled or objects have fallen into the apparatus, the apparatus 
has been exposed to rain or moisture, does not operate normally, or has been 
dropped.

DO NOT expose the apparatus to dripping and splashing. DO NOT put objects filled 
with liquids, such as vases, on the apparatus.

Remove the batteries from the receiver if the system will not be used for a long 
period of time.  This will avoid any damage resulting from a defective, leaking 
battery.
 DO NOT throw used batteries into a fire.  Be sure to dispose of or recycle used
batteries in accordance with local waste disposal laws.

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LICENSING INFORMATION

THIS RADIO EQUIPMENT IS INTENDED FOR USE IN PROFESSIONAL ENTERTAINMENT 
AND SIMILAR APPLICATIONS.

Changes or modifications not expressly approved by Galaxy Audio Incorporated could void your 
authority to operate the equipment. Licensing of Galaxy Audio wireless microphone equipment is 
the user's responsibility, and licensability depends on the user's classification and application, and 
on the selected frequency. Galaxy Audio strongly urges the user to contact the appropriate 
telecommunications authority concerning proper licensing, and before choosing and ordering 
frequencies.

NOTE: THIS EQUIPMENT MAY BE CAPABLE OF OPERATING ON SOME FREQUENCIES NOT 
AUTHORIZED IN YOUR REGION. PLEASE CONTACT YOUR NATIONAL AUTHORITY TO 
OBTAIN INFORMATION ON AUTHORIZED FREQUENCIES FOR WIRELESS MICROPHONE 
PRODUCTS IN YOUR REGION

Licensing: 

Note that a ministerial license to operate this equipment may be required in certain 

areas. Consult your national authority for possible requirements.

In order to use this system safely, avoid prolonged listening at excessive sound pressure levels. Please use the following guidelines established by 

the Occupational Safety Health Administration (OSHA) on maximum time exposure to sound pressure levels before hearing damage occurs.

90 dB SPL at 8 hours
95 dB SPL at 4 hours

100 dB SPL at 2 hours
105 dB SPL at 1 hour

110 dB SPL at ½ hour
115 dB SPL at 15 minutes
120 dB SPL — avoid or damage may occur 

USING THIS SYSTEM AT EXCESSIVE VOLUMES CAN CAUSE PERMANENT HEARING DAMAGE.
USE AS LOW A VOLUME AS POSSIBLE.

WARNING!

It is difficult to measure the exact Sound Pressure Levels (SPL) present at the eardrum in live applications. In addition to the volume setting on the 
Personal Monitors, the SPL in the ear is affected by ambient sound from floor wedges or other devices. The isolation provided by the fit of quality 

Here are some general tips to follow in the use of this product to protect your ears from damage.

• Turn up the volume control only far enough to hear properly.

• Ringing in the ears may indicate that the gain levels are too high. Try lowering the gain levels.

• Have your ears checked by an audiologist on a regular basis. If you experience wax buildup in your ears, stop using the system until an 

audiologist has examined your ears.

• Wipe the ear molds with an antiseptic before and after use to avoid infections. Stop using the earphones if they are causing great discomfort 

or infection.

earpieces is also an important factor in determining the SPL. 

Summary of Contents for AS-900-4

Page 1: ...USER S MANUAL www galaxyaudio com products as 900...

Page 2: ...uthority to operate the equipment Licensing of Galaxy Audio wireless microphone equipment is the user s responsibility and licensability depends on the user s classification and application and on the...

Page 3: ...pply One Pair EB 3 Earbuds One Antenna Rack Ears User Manual Thank you for choosing a Galaxy Audio Wireless Personal Monitor system You have joined thousands of other satisfied customers Our years of...

Page 4: ...ch Press to switch on meters will blink once Press again to switch off AS 900T Transmitter Features AS 900T Transmitter Features NOTE POWER ON Indicator When the Power switch is activated on the AS 90...

Page 5: ...GREEN indicates Receiver and Transmitter ON and receiving RF RED indicates Low Batteries Earphone jack Audio output control and On Off switch Left turn for output level decrease right turn for output...

Page 6: ...F to 122 F 10 C to 50 C Note battery characteristics may limit this range Transmitter Max Audio input level 6dBV Gain Adjustment Range 40dB Input Impedance 100K Dimensions 1 5 x 8 3 x 3 8 38 x 212 x 9...

Page 7: ...ES VSC ECD ECM PSE DHT EB3S Replacement Sleeves for EB 3 Ear Buds 5 pair in each pack Available in Small Medium or Large MRE900 1100 Replacement Single Rack Kit for AS 900 AS 1100 2 pieces with screws...

Page 8: ...ecifications in this manual are subject to change without notice For the most up to date manual and information visit www galaxyaudio com WARRANTY Information can be viewed online at http www galaxyau...

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