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PA-IRSYS Operating Instructions
Infrared Classroom Audio System
ATTENTION: ALL SAFETY AND OPERATIN G IN STRU CTIO NS
SH OU LD BE READ BEF ORE OPERATIN G APPLIANCE. A LL
OPE RATING AND USE INSTRUCTIO NS S HOULD BE F OLLOW-
ED WHEN OPE RATIN G THE APPLIANCE. HEED AND A DHERE
TO ALL WARNINGS O N THE APPLIA NC E AND IN THE OPE RATING
INSTRU CTIO NS. RETAIN A LL SAFETY AND OPERATIN G
INSTRU CTIO NS FO R FUTURE RE FERENCE.
WATER & MOISTURE - DO NOT USE THE APPLIANCE NEAR
WATER; IE. B ATHTUB, WAS HBOWL, KITCHE N SIN K, LAU NDRY
TUB, W ET BASE MENT OR SWIM MIN G PO OL.
VENTILATION - D O N OT SITUATE TH E APPLIANCE SO THAT
ITS LO CATI ON OR POSITI ON IN TER FERE S WIT H ITS PR OPER
VE NTIL ATIO N. F OR EXA MPLE, THE APPLIANCE SHOULD N OT
BE SITUATED ON A BED, SO FA, RU G O R SIMILAR S URFAC E THAT
MAY BLOCK TH E VE NTILATIO N OPE NIN GS. TH E
APPLIA NCE SHO ULD NOT BE PLACED IN A B UILT-IN
INSTA LLATI ON, SUCH AS A B OOKCASE OR CABINET, THAT
MAY I MPEDE TH E F LOW O F AIR THROUGH THE VENTILATI ON
OPE NIN GS.
HEAT - SITUATE THE APPLIANCE AWAY FR OM HEAT SOURC ES
SU CH AS RA DIATORS, H EAT REGISTERS, STOVE S O R OTH ER
APPLIA NCES
(
IN CLU DIN G A MPLIFIERS
)
THAT PRO DUC E H EAT.
POWER SOURCES - C ONNECT THE APPLIANCE O NLY TO
A POW ER S UPPLY TYPE DESC RIBED IN THE OPERATIN G
INSTR-UCTIO NS OR M ARKED ON THE APPLIA NC E.
GROUNDING OR POLARIZATION - PRE CAUTI ONS SH OU LD
BE TAK EN SO TH AT TH E G ROUNDING OR P OLARIZ ATIO N
MEANS OF THE APPLIANCE ARE NOT DEFEATED.
POWER CORD PROTECTION - POW ER SU PPLY C ORDS
SH OU LD BE ROUT ED SO THAT TH EY ARE NOT LIKELY TO
BE WA LKE D O N O R PIN CH ED BY ITE MS PL ACE D U PO N O R
AGAINST THEM , PAYIN G PARTICULAR ATTENTION TO C ORDS
AT PLUGS, C ONVENIENC E RECEPTACL ES, AND THE POINT
WHERE TH EY EXIT FRO M THE APPLIANCE.
CLEANING - T HE APPLIANCE SHOULD BE CLEA NED ON LY
AS REC OM MENDED BY THE MANUFACT URER.
NON USE PERIODS - UNPLU G THE APPLIA NC E POW ER
CORD FRO M THE OUTLET W HEN LEFT UNUSE D F OR A
LONG PERIOD OF TIM E.
OBJECT & LIQUID ENTRY - CARE SHO ULD BE TAKE N S O
TH AT O BJE CTS DO N OT FALL A ND LI QUIDS ARE NOT SPILLED
INTO TH E E NCLOSUR E THR OUG H O PENINGS.
DAMAGE REQUIRING SERVICE - TH E APPLIANCE SHOULD
BE SE RVIC ED BY Q UALIFIED SE RVICE PERS ON NEL W HE N:
(
A
)
THE POW ER S UPPLY C ORD OR TH E PLUG HAS BEEN
DA MAGED
(
B
)
OBJE CTS H AVE FALLEN O R LIQ UID H AS BEEN
SPILLED IN TO TH E APPLIANCE
(
C
)
THE APPLIA NC E H AS B EE N
EXPOSED TO RAIN
(
D
)
THE APPLIA NC E D OES NOT A PPE AR TO
BE OPER ATING N OR MALLY O R EXHIBITS A M ARKED C HA NGE
IN PERFORM ANC E
(
E
)
THE APPLIA NC E H AS B EE N DROPP ED
OR TH E E NCLOSUR E DAM AGE D.
SERVICING - TH E U SER S HOULD N OT ATTEMPT TO SERVICE
TH E APPLIANCE B EYO ND THAT DESCRIB ED IN THE OPE RATING
INSTRU CTIO NS. ALL OTHER S ERVICING REFER TO A Q UALIFIE D
SE RVICE PERSO NN EL.
IMPORTANT SAFETY INSTRUCTIONS
CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER OR BACK.
NO USER SERVICEABLE PARTS INSIDE. REFER SERVICING TO QAULIFIED PERSONNEL.
CAUTION
RISK OF ELECTRIC SHOCK - DO NOT OPEN
This product is not designed to
function normally in strong electro-
magnetic fields. Consequently, the
audio quality may degrade while the
product is exposed to strong electromagnetic fields.
Normal audio quality operation will be recovered
when the strong electromagnetic field is no
longer present.
Ce produit n’est pas conçu pour
un fonctionnement dans de forts
champs électromagnétiques. Par
conséquent, la qualité sonore peut
diminuer si ce produit est exposé à
un fort champ életromagnétique. La qualité sonore
redeviendra normale après affaib-lissement du
champ électromagnétique.
The lightening flash with arrowhead
within a triangle is intended to tell the
user that parts inside the product are a
risk of electric shock to persons.
The exclamation point within a
triangle is intended to tell the user
that important operating and servicing
instructions are in the papers with
the appliance.
WARNING:
TO REDUCE THE RISK OF
FIRE OR ELECTRIC SHOCK, SO
NOT EXPOSE THIS APPLIANCE
TO RAIN OR MOISTURE.
!
!
califone_PA-IRSYS_manual_Rev2.indd 2-3 10/10/08 12:01:09 PM
Model 1117
7-Port USB Hub
System Contents
•
Model 1117 7-port USB Hub (with stand)
•
2.5’ USB cable for connection to a computer
•
User Manual
CAUTION
THIS USB HUB IS RATED TO ALLOW FOR 1.5 AMPS OF CURRENT
WHEN BUS-POWERED (WITHOUT ANY EXTERNAL POWER ADAPTER).
BEFORE CONNECTING ANY DEVICES TO THE USB HUB, ENSURE
THAT THE TOTAL MAXIMUM CURRENT DRAW OF EACH OF THE
DEVICES ADDED TOGETHER IS LESS THAN THE CURRENT RATING OF
THE USB HUB AND THE COMPUTER’S POWER SUPPLY. FAILURE TO
DO SO MAY DAMAGE THE PC, THE USB HUB, AND/OR ANY
DEVICES CONNECTED TO THE USB HUB.
IF YOU ARE USING A LARGE NUMBER OF DEVICES OR VERY
POWER-INTENSIVE USB DEVICES, AN EXTERNAL DC POWER
ADAPTER WITH A RATING OF UP TO 5V/3.5A MAY BE USED TO
PROVIDE ADDITIONAL CURRENT.
Setup & Operation
1. Connect the square (Type “B”) connector of the
included USB cable to the USB hub.
2. Connect the flat (Type “A”) connector of the cable to
one of the computer’s USB ports.
3. The red power LED should light. The USB hub should
automatically be detected by the computer. Allow the
computer to completely install the device. It should
indicate when it has completed.
4. You may now begin connecting devices to the hub
one at a time. Use the 7 USB ports on the USB hub as
you would the USB ports on the computer. The
computer may automatically detect connected devices
or it may require drivers for certain devices. Refer to the
instructions that come with those devices for support
regarding their installation.
Specifications and Features
• USB 2.0 and 1.1 compatible
• 7 device ports and one port for computer connection
• High-speed, Full-speed and Low-speed operation
• Bus-powered operation:
• Idle current: ~6 mA
• Operating current: ~250 mA
• Devices may use up to 1.5 Amps total current
• Self-powered with external power adapter (not included)
Troubleshooting
USB Hub does not work (Power LED not lit):
• Check the connection between the computer and hub
• Try connecting the hub to a different USB port on the
computer
One or more devices connected to the hub are
malfunctioning:
• If there are multiple devices connected to the hub, try
disconnecting the most recently connected devices until the
problem goes away
• Try restarting the computer, or reconnecting the USB hub
to the computer
• If too much power is being consumed by any of the
devices, you may need to use an external DC power adapter
to power the USB hub
The computer displays an error that the USB bus is
drawing too much current:
• You may need to use an external DC power adapter to
power the USB hub. The power adapter should be a
switching type with a rating of up to 5V/3.5A
Type “B” USB Connector
Type “A” USB Connector
Thank you for purchasing the Califone® Model 1117 USB Hub.
I encourage you to visit our website (www.califone.com) to register
your product for its warranty coverage, to sign up to receive our
newsletter, download our catalog, and learn more about the
complete line of Califone audio visual products, including portable
and installed wireless PA systems, multimedia players and recorders,
headphones and headsets, computer peripheral equipment, visual
presentation products and language learning materials.
Sincerely,
Roscoe Anthony
President, Califone® International, Inc.