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c/efo//s you can hear
GFP-750
Stereo Preamplifier
OWNER’S MANUAL
THE FOLLOWING PRECAUTIONS AND SAFETY INSTRUCTIONS
ARE REQUIREMENTS OF UL AND CSA SAFETY REGULATIONS
Warning: To reduce the risk of fire or electric shock, do not expose this unit to rain or moisture.
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CAUTION |
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RISK OF ELECTRIC SHOCK |
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DO NOT OPEN |
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AVIS: RISOUE DE CHOC ELECTRIQUE-NE PAS OUVRIR
The graphic symbol of a lightning flash with an arrow point within a triangle signifies that there is dangerous voltage within the unit and it poses a hazard to anyone removing the cover to gain access to the interior of the unit.Only qualified service personnel should make any such attempt.
The graphic symbol of an exclamation point within an equilateral triangle warns a user of the device that it is necessary to refer to the instruction manual and its warnings for proper operation of the unit.
Do not place this unit on an unstable cart, stand, tripod, bracket, or table. The unit may fall, causing serious injury to a child or adult, and serious damage to the unit. Use only with a cart, stand, tripod, bracket, or table recommended by the manufacturer, or sold with the unit. Any mounting of the device should follow the man ufacturer's instructions, and should use a mounting ac cessory recommended by the manufacturer.
Read all the safety and operating instructions before connecting or using this unit.
Retain this notice and the owner’s manual for future reference.
All warnings on the unit and in its operating instructions should be adhered to
All operating and use instructions should be followed.
Do not use this unit near water; for example, near a bathtub, washbowl, kitchen sink, laundry tub, in a wet basement, or near a swimming pool.
The unit should be installed so that its location or position does not interfere with its proper ventilation. For example, it should not be situated on a bed, sofa, rug, or similar surface that may block the ventilation openings; or placed in a built-in installation, such as bookcase or cabinet, that may impede the flow of air through its ventilation openings.
The unit should be situated away from heat sources such as radiators, heat registers, stoves, or other devices (including amplifiers) that produce heat.
The unit should be connected to a power-supply outlet only of the voltage and frequency marked on its rear panel.
The power-supply cord should be routed so that it is not likely to be walked on or pinched, especially near the plug, convenience receptacles, or where the cord exits from the unit.
Clean unit only as recommended in its instruction manual.
The power-supply cord of the unit should be unplugged from the wall outlet when it is to be unused for a long period of time.
Care should be taken so that objects do not fall, and liquids are not spilled, into the enclosure through any openings
This unit should be serviced by qualified service personnel when:
A.The power cord or the plug has been damaged; or
B.Objects have fallen, or liquid has been spilled, into the unit; or
C.The unit has been exposed to rain, or liquids of any kind; or
D.The unit does not appear to operate normally, or exhibits a marked change in performance; or
E.The device has been dropped, or the enclosure damaged.
DO NOT ATTEMPT SERVICING OF THIS UNIT YOURSELF. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.
ATTENTION
POUR PRÉVENIR LES CHOCS ÉLECTRIQUES NE PAS UTILISER CETTE FICHE POLARISÉE AVEC UN PROLONGATEUR, UNE PRISE DE COURANT OU UNE AUTRE SORTIE DE COURANT, SAUF SI LES LAMES PEUVENT ÊTRE INSÉRÉES À FOND SANS EN LAISSER AU CUNE PARTIE À DÉCOUVERT.
CAUTION
TO PREVENT ELECTRIC SHOCK DO NOT USE THIS POLARIZED PLUG WITH AN EXTENSION CORD, RECEPTACLE OR OTHER OUTLET UN LESS THE BLADES CAN BE FULLY INSERTED TO PREVENT BLADE EXPOSURE.
CAUTION
POWER LINES
Any outdoor antenna must be located away from all power lines.
OUTDOOR ANTENNA GROUNDING
If an outside antenna is connected to your tuner or tuner-preamplifier, be sure the antenna system is grounded so as to provide some protection against voltage surges and built-up static charges. Section 810 of the National Electrical Code, ANSI/NFPA No. 70-1984, provides information with respect to proper grounding of the mast and supporting structure, grounding of the lead-in wire to an antenna discharge unit, size of grounding conductors, location of antenna discharge unit, connection to grounding electrodes, and requirements for the grounding electrode.
a.Use No.10 AWG (5.3 mm^) copper, No.8 AWG (8.4 mm^) aluminum. No. 17 AWG (1.0 mm") copper-clad steel or bronze wire, or larger, as a ground wire.
b.Secure antenna lead-in and ground wires to house with stand-off insulators spaced from 4-6 feet (1.22-1.83 m) apart.
c.Mount antenna discharge unit as close as possible to where lead-in enters house.
d.Use jumper wire not smaller than No.6 AWG (13.3 mm") copper, or the equivalent, when a separate antenna-grounding electrode is used. See NEC Section 810-21 (j).
EXAMPLE OF ANTENNA GROUNDING AS PER NATIONAL ELECTRICAL CODE INSTRUCTIONS
CONTAINED IN ARTICLE 810 - RADIO AND TELEVISION EQUIPMENT.
POWER LINES
STANDOFF
INSULATORS, b
ANTENNA
LEAD-IN WIRE
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EXTERNAL ANTENNA |
POWER SERVICE GROUNDING |
TERMINALS OF RADIO RECEIVER |
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ELECTRODE SYSTEM |
GROUND WIRE, a.b |
(e. g. interior metal water pipe) |
GROUND CLAMPS |
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BONDING JUMPER
OPTIONAL ANTENNA GROUNDING
ELECTRODE DRIVEN 8 FEET (2.44 M) INTO
THE EARTH IF REQUIRED BY LOCAL
CODES. SEE NEC SECTION 810-21 (1)
NOTE TO CATV SYSTEM INSTALLER
This reminder is provided to call the CATV system installer's attention to Article 820-22 of the National Electrical Code that provides guidelines for proper grounding and, in particular, specifies that the cable ground shall be connected to the grounding system of the building, as close to the point of cable entry as practical.
1.PRODUCT DESCRIPTION
1.1.GFP-750 Front Panel Diagram & Remote Control
0 CD О
pa$siv0 power processor
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9 9 9 |
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(Ю ® СЮ |
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Stereo/Reverse/Mono |
Switch (reverse) or combine (mono) channels |
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Input Source Selection |
Select input source |
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Passive Mode On/Off |
Bypass active gain stages |
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Power On/Off |
Turn unit on and off. |
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External Processor |
Engage external processor |
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Balance Control |
Adjust balance level |
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Infrared Remote |
Receiver for remote control IR signal |
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Control Sensor Lens |
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Volume Control |
Adjust volume level |
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Mute |
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Engage Mute circuitry |
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1.2. GFP-750 Rear Panel Diagram |
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top Is L channel bottom is R channel |
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Γ balanced CO input unbalanced inputs » laps |
p processor ^ p unbal outpu& ^ p balancect mam 3 output |
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@p©p ©p ©p ©p1 |
IR expar/der remote sensor |
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,,@°®@©.@ъ.@©,@°©, I |
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Mo0elGFP-7S t siBreo preamplitier Wan ng: To r»6uc» the sk ot elactnc sfioc -, do noi expose this equipm nt to rain or moislure. |
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10 Timber Lan» |
Power: ItSVAi SO-бОНг |
Aire/ ion: pour evitar bv lìrisque de leu au hoc elactrique, ne pas expo: |
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Mariboro, NJ 07746 |
Pbwarcansun itìon(max):30W Avis: Vaque líe choc ek Л1рае-ne pese |
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0^ ® |
© © |
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switched АС outet
Л
© О. ©
"АН
® CD Balanced Inputs |
© Main 1 and Main 2 |
Master On/Off Switch |
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(TI) Gold Jumpers |
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Unbalanced Stereo Outputs |
AC Power Cord Socket |
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© Main 3 |
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QD Unbalanced Stereo Inputs |
Switched AC Outlet |
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Balanced Stereo Outputs |
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(B) Tape Loop Stereo In/Out |
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Remote Control Infrared |
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@ External Processor |
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repeater outputs (x 2) |
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Remote Control |
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Loop Stereo In/Out |
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Sensor Input |
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