ALS700
Assistive Listening System
USER MANUAL
PLEASE READ THIS USER MANUAL COMPLETELY BEFORE OPERATING
THIS UNIT AND RETAIN THIS BOOKLET FOR FUTURE REFERENCE.
CAUTION
Follow the advice below for safe operations.
Stop operation immediately if any liquid or solid object should fall into the cabinet.
If the unit is not to be used for a long period of time, make sure that all power sources are disconnected from the unit. Remove all batteries from the battery compartment, and unplug the AC-DC adaptor from the wall outlet. Make it a practice to remove the AC-DC adaptor by grasping the plug and not by pulling the cord.
ON PLACEMENT
Do not use the unit in places, which are extremely hot, cold, dusty or humid.
Place the unit on a flat and even surface.
Do not restrict the airflow of the unit by placing it in a place with poor ventilation, by covering it with a cloth or by placing it on a carpet.
ON CONDENSATION
When left in a heated room where it is warm and damp, water droplets or condensation may form inside the unit.
When there is condensation inside the unit, the unit may not function normally.
Let it stands for 1 to 2 hours before turning the power on, or gradually heat the room up and dry the unit before use.
Should any trouble occur, remove the power source and refer servicing to qualified personnel.
COMPLIANCE WITH FCC REGULATIONS
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
B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.
This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
"This equipment complies with FCC RF radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with a minimum distance of 20 centimeters between the radiator and your body."
CAUTION: Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.
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PREPARATION FOR USE
Thank you for purchasing the
Hamilton ALS700
Wireless RF Personal Listening
System. The system can be installed quickly and easily. It provides quality listening assistance in compliance with the American’s With Disabilities Act (ADA), which requires public facilities with audio systems to make listening assistance available to their audiences.
The
ALS700 provides outstanding quality. This system operates up to 150 feet line of sight. The system is configured with one wireless transmitter and 6 portable wireless belt pack receivers. The system is configured with two channel in 75 .5
MHz and
75.
9 MHz band. The system is expandable to limitless receivers.
This Assistive Listening System is versatile. It can be operated indoor or out without affecting performance. Excellent for any application from small classrooms and boardrooms to auditoriums and sanctuaries. The System offers great auditory reception without seating confinements.
The
ALS700
connects to the line out from a tape player or from an existing sound systems and broadcasts the audio as a FM radio signal.
UNPACKING YOUR ASSISTIVE LISTENING SYSTEM
This system includes the following items:
ALSM700 Transmitter
ALSR700 Receivers
X 1
X 6
ASLB700 Mono Earbud X 6
“AAA” Size Batteries
Power Adapter
User Manual
X 3
X 1
X 1
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LOCATION OF CONTROLS
ALSM700 TRANSMITTER
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ALSR700 RECEIVER
1 LINE IN JACK
2 DC 5V JACK
3 MICROPHONE INPUT
4 TELESCOPING ANTENNA
5 POWER ON/OFF SWITCH
6 POWER INDICATOR
7 SIGNAL INDICATOR
8 CH1 & CH2 INDICATORS
11 CHANNEL BUTTON
12 PHONE JACK
13 CH1. INDICATOR
14 CH2. INDICATOR
15 GAIN CONTROL KNOB
16 POWER ON/OFF SWITGH
17 BELT CLIP
18 BATTERY COMPARTMENT
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ALSM700 TRANSMITTER
The ALSM700 Transmitter operates using the supplied AC Adapter (Operate at
120V ~ 60Hz)
POWERING THE TRANSMITTER
NOTE: Only use the supplied adapter
1. Insert the DC plug of the AC adaptor provided into the DC 5V jack (#2) on the back panel of the transmitter.
2. Plug the other end into an AC wall socket.
WARNING :
Before connecting to the power supply, ensure that the supply corresponds to the information on the rating label at the back of the apparatus.
3. Press
POWER SWITCH
(#5) on the power indicator (#6) will show power is getting to the system.
4. The transmitter’s “signal” indicator (#7) will illuminate to confirm that the transmitter is broadcasting.
5. Press
CHANNEL
button (#9) on the front panel to select transmitted channel both channel indicator will light up.
SETTING UP THE TRANSMITTER
The 1/4”
LINE IN jack (#1) enables you to connect directly from an audio source such as a tape player.
MICROPHONE INPUT the 1/4” jack (#3) on the back of the transmitter is designed to accept either dynamic or electret microphones.
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FEATURES & CONTROLS
Gain control
Channel
CH1 & CH2 indicators
Power
Phone
ALSR700 RECEIVER
POWERING THE RECEIVER
Install “AAA” size x3pcs in battery compartment (#18) on the back of the receiver.
Observe polarity. To preserve battery life, always turn ALSR700 receiver off when not in use. When the
POWER SWITCH
(#16) to turn on, the sound becomes weak or distorted, replace battery. The life expectancy from an alkaline battery is 17-20 hours.
BATTERY WARNING
1
.
Be sure that the batteries are installed correctly. Wrong polarity may damage the unit.
2. Use only the size and type of batteries specified.
3. Do not mix old and new batteries.
4. Do not mix alkaline, standard (carbon-zinc) or rechargeable (nickel-cadmium) batteries.
5. For better performance and longer operating time, we recommend the use of alkaline-type batteries.
6. If the unit is not to be used for an extended period of time, remove the batteries.
Old or leaking batteries can cause damage to the unit and may void the warranty.
7. Do not try to recharge batteries not intended to be recharged; they can overheat and rupture. (Follow battery manufacturer’s directions).
8. Do not dispose of batteries in fire, batteries may leak or explode.
OPERATING THE RECEIVER
Plug the included ALSB700 earphones into the phone jack (#12) on top of the receiver.
While wearing your earphones, stand near the ASLM700 transmitter.
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Turn on the receiver with the
POWER SWITCH
(#16) and CH1 indicator (#13) will be solid light up when receive the signal from ALSM700 transmitter CH1, the indicator will flash light when the transmitter isn’t to setting in CH1. Press the
CHANNEL
(#11) button to changing the receive channel.
Listen for your program source and adjust the
GAIN
control (#15) for a comfortable listening level. If no sound is heard adjust the
VOLUME
(#10) level on the transmitter.
NOTE: You may wish to dispose of the foam ear pads after use or they can be re-used after being washed in mild detergent, rinsed and air-dried.
CONFIRMING CORRECT INSTALLATION
For the best performance, (and to minimize the possibility of interference from another source), we suggest you experiment to find the minimal height the rod antenna (#4) must be extended in order to perform well in your particular environment.
SPECIFICATIONS
OVERALL SYSTEM PERFORMANCE
Frequency Response ………100 Hz – 8 KHz +/-3dB
Signal to Noise Ratio ……….30dB
Total Harmonic Distortion ….< 3%
RF Carrier Frequencies …… 75.5MHz (Channel 1)
75.9MHz (Channel 2)
Frequency Stability ………….Better than 1%
Operating Range …………Up to150 feet line of sight
Audio Sound ………………Mono
ALSM700 TRANSMITTER
Mic Input …………… Connector: 1/4” Phone jack.
Line Input ………….. Connector: 1/4” Phone jack. .
Frequency …………. 75.5MHz (CH1), 75.9MHz (CH2)
Controls ……………. Power On/Off, Volume Adjust,
Channel Selection
Indicators ……………Power On LED. Signal LED,
CH1 LED, CH2 LED.
Antenna ……………. Telescoping Antenna
Power Requirement…5V DC, regulated @ 200mA,
Adapter provided
Dimensions …………49.6 mm.(H) x 228.3 mm.(W) x 153.5 mm.(D)
Weight ……………… Kg
ALSR700 Receiver
Controls ……………. Power On/Off, Gain Adjust, Channel Select,
Audio output ………. 45mW
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Connectors ………… 3.5mm jack for earphone output
Earphones …………. 16 ohm Mini binaural earbuds
Antenna ……………. Integral with earphone cord
Indicators ……………CH1 LED, CH2 LED.
Sensitivity ………….. 10uV for 30dB S/N ratio
Power Requirement…1.5V x3 pcs. AAA size battery
Dimensions ………… 99.5 mm.(H) x 64 mm.(W) x 33 mm.(D)
Weight ……………… Kg
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