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CHIAYO ELECTRONICS CO.,LTD.
Operation manual
FOCUS PRO/500/505
Multifunctional Wireless Amplifier
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FOCUS PRO/505/500 Multifunctional Wireless Amplifier
Please read and follow the instructions in this manual thoroughly to obtain optimum results from
this unit. We also recommend that you keep this manual handy for future reference.
Safety Precautions
Be sure to read the instructions in this section carefully before use.
Make sure to observe the instructions in this manual as the conventions of safety symbols and
messages regarded as very important precautions are included.
Safety symbols and messages described below are used in this manual to prevent bodily injury
and property damage which could result from mishandling. Before operating your product, read
this manual first and understand the safety symbols and messages so you are thoroughly aware
of the potential safety hazards.
WARNING
Indicates a potentially hazardous situation which, if mishandled,
could result in death or serious personal injury.
CAUTION
Indicates a potentially hazardous situation which, if mishandled,
could result in moderate or minor personal injury, and/or property
damage.
Make sure to observe the following handling precautions so that a fire or personal injury does
not result from leakage or explosion of the battery.
Do not short, disassemble, heat or put the battery into a fire.
Never charge batteries of the type which are not rechargeable.
Do not solder a battery directly.
Be sure to use the specified type of battery.
Note the correct polarity when inserting a battery in the unit.
Avoid locations exposed to the direct sunlight, high temperature and high humidity when
storing batteries.
WARNING
To prevent the electromagnetic wave from badly influencing
medical equipment, make sure to switch off the unit's power when
placing it in close proximity to the medical equipment.
CAUTION
Battery discharge naturally according to a certain pattern even not
in use. For best performance and a prolonged lifespan, battery
should be charged regularly after every use or every month when
the system is in storage and not being used!
CD player optical pick up head is a very delicate device and
sensitive to humidity. Please avoid using it in high humidity area
to avoid damage!
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Instructions
Congratulations and thank you for purchasing this multi-functional wireless portable amplifier.
To ensure a trouble-free operation, please read the manual thoroughly to fully understand its
controls and functions.
The rear panel of this portable amplifier is divided into 3 sections:
1. The Module compartment
2. The Control Unit compartment
3. The Battery compartment
The Modules Compartment can be user configurable and user can
access the battery compartment to change battery.
Without the CD/Bluetooth-MP3 player, all the versions herein can be configured with up to 3
modules, among which one can be repeater transmitter/MP3/Bluetooth module.
However, when CD/Bluetooth-MP3 is installed, only one module slot will be available.
The wireless receiver/transmitter module is in the UHF PLL synthesized type with 100 preset
frequencies. Some receivers are equipped with IrDA 2-way synchronization.
In the box
FOCUS amplifier
0~2 transmitters
(handheld/beltpack)
Switching power supply
operation manual
** Remark: The above specifications are subject to change without prior notice.
Optional accessories
Weather proof dust cover.
Carrying bag
Tripod stand
Wall-mount rack
Companion passive speaker
Wired microphone.
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FOCUS PRO/505/500 Multifunctional Wireless Amplifier
Parts and functions
1. Microphone volume control
2. Aux in volume control
3. Bass tone control (for all audio)
4. Treble tone control (for all audio)
5. Wired microphone input socket (6.3mm)
6. Aux in socket (6.3mm)
7. Aux out socket (6.3mm)
8. External speaker socket (6.3mm)
9. Voice priority switch
10. Battery indicator
11. Charging indicator
12. DC input jack
13. Fuse
14. Power switch
Charging the battery
After unpacking the unit for the first time, please FULLY charge the unit before any operation.
This is absolutely necessary as the built-in rechargeable battery might have been discharged
naturally due to long shipment and storage time, even though it has been fully charged in the
factory prior to shipment. While charging, the unit could also be operated simultaneously.
The battery types of FOCUS series are listed below:
Model
FOCUS PRO
FOCUS 500/505
Battery type
LI-ION
LEAD-ACID
Specs
16.8V 5.2A
12V 2.9A
Q’ty
1 pc
1 pc
Charging time
About 8 hours
About 4 hours
Battery low: If the battery low indicator grows RED, is weak and
needs to be charged
During recharging: Charging LED flashes RED
Fully charged: Charging LED grows GREEN
Wrong or no battery detected: Charging LED grows YELLOW.
1 2 3 4 5 6 7
8
10
11
12
13
14
9
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Instructions
Using the wired microphone
1 Plug a wired microphone with a 6.3mm plug to MIC IN.
2 Turn on master POWER and then adjust its individual volume control to a desired level.
3 Bass/Treble tone levels can be individually adjusted.
TONE control
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FOCUS PRO/505/500 Multifunctional Wireless Amplifier
Using the electronic instrument
1 Plug an electronic guitar or keyboard with a 6.3mm plug to AUX IN.
2 Turn on master POWER and then adjust its individual volume control to a desired level.
3 Bass/Treble tone levels can be individually adjusted.
TONE control
or
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Instructions
Connecting an external speaker
1 Plug the external speaker’s audio cable with a 6.3mm connector to the EXT SPAR
socket.
2 Bass/Treble tone levels can be individually adjusted.
TONE control
Tone control
For all audio
Operating Voice Priority
Voice Priority operation is only necessary when CD/USB/MP3 is playing.
When the Voice Priority switch is ON, the ducking function will be activated. While the music is
playing, a voice input from either a Wired or Wireless Microphone will temporarily override and
lower the volume of the background music and voice could be heard more clearly.
Background music will return to its original setting when no audio input is entering the
microphone for a certain time. However, if the microphone is not switched off, the reentering of
music into the microphone will also activate the voice priority function.
ON
OFF
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FOCUS PRO/505/500 Multifunctional Wireless Amplifier
Maintenance-free Lead Acid battery
Guidelines for maintenance-free Batteries:
1. Battery should operate at temperatures between 15°C ~ 50°C. To ensure a longer life span, it
should be kept between 5°C ~ 35°C. For optimum result, 20°C ~ 25°C will be ideal. When
temperature falls 15 degrees below zero, battery will undergo some changes in its chemical
contents and therefore cannot be recharged. Operating the battery at higher temperature will result
in higher capacity but shorter lifespan, whereas lower temperatures operation has a longer lifespan
but less capacity.
2. If the battery is not recharged 72 hrs after it is completely used, it will be permanently
damaged.
3. When the battery is being charged, the internal gases will be electrolyzed into water at the negative
charge, maintaining the battery’s storage abilities with no water added. However, erosion at the
charged ends of the battery will cause poor performance.
4. The battery’s cycle lifespan (no. of charge and discharge cycle) is determined by the degree at
which power is dissipated, especially the degree of discharged each time it is used and the
recovery charging method. For normal use, the battery can be used for longer hours when less
power is dissipated each time and vice versa. At 25°C, maintenance-free batteries could be
charged 150 ~ 200 times at 100% discharge each time.
5. Decrease in capacity, internal short circuit, deformation in appearance, erosion of charged ends
and decrease in open circuit voltage are symbols indicating battery is approaching the end of its life
cycle.
6. When two batteries are used in parallel connection, the resistance of the cables should be kept
equal.
Properties of the Lead Acid Battery:
1. Has no memory effect. Can be charged anytime, even when the recharge indication light is off.
2. Performance and efficiency are affected by changes in the environment, especially temperature
and humidity. (Best operated between 20°C ~ 25°C)
3. Battery discharge naturally according to a certain pattern even not in use. For best performance
and a prolonged lifespan, it should be recharged every month even when not in use.
4. Under normal circumstances, battery could last for about a year.
5. When the battery’s life expires, possible indicators include internal short-circuit, decrease in
capacity, deformation in appearance, erosion of charged ends and decrease in operating voltage.
User’s Precautions:
1. For first-time use, charge the battery for 10 hrs until it is fully charged.
2. To maintain performance and lifespan, if product has not been used for 3 months after the initial
shipment, please fully charge the battery.
3. Before each use, it’s advisable to charge the battery to its full capacity.
4. The average lifespan of the battery is one year. The user is advised to change the battery after one
year of use.
5. The current consumption is in direct ratio with load current. The more current consumption, the less
the operation time.
6. Warranty will be void if the battery is not charged for a prolong period as it may lose all its
charge and could never be recovered again.
CHIAYO ELECTRONICS CO.,LTD.
Http://www.chiayo.com.tw｜Email: [email protected]
Office: 30, Lane 27, Section 4, Jen-Ai Road, Taipei 10685, Taiwan｜Tel: 886-2-27415741｜Fax: 886-2-27525242
Factory: 88, Chung-Hsiao Street 2, Chiayi 60080, Taiwan｜Tel: 886-5-2711000｜Fax: 886-5-5767611
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