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Adcom GTP-830 - page 1
GTP-830 Digital Processing T uner/Preamplifier Owner’ s Manual ...
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Adcom GTP-830 - page 2
serial number: date purchased: ...
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Adcom GTP-830 - page 3
A NOTE FROM ADCOM Thank you and congratulations on your purchase of the ADCOM GTP-830 Digital Processing T uner/ Preamplifier . The GTP-830 provides Dolby Digital and DTS decoding with 7.1 output channels, as well as a 5.1 analog bypass and the RDS radio data system. These features and ADCOM’ s legendary quality provide the heart of your cutting- ...
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Adcom GTP-830 - page 4
4 | ADCOM OWNER’S MANUAL IMPORT ANT SAFETY INSTRUCTIONS Warning: T o reduce the risk of fire or electric shock, do not expose this unit to rain or moisture. 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 the ope ...
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Adcom GTP-830 - page 5
power lines ground clamp power service grounding electrode system (e.g. interior metal water pipe) ground clamps ground clamps optional antenna grounding electrode driven 8 feet (2.44 M) into the earth if required by local codes. bonding jumper , d service entrance equipment service entrance conductors standoff insulators, b mast antenna lead-in wi ...
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Adcom GTP-830 - page 6
✔✔ ✔ ✔✔ ✔ GTP-830 CHECKLIST 6 | ADCOM OWNER’S MANUAL GTP-830 T uner/Preamp GTP-830 Remote Control with Batteries GTP-830 Owners Manual and W arranty ADCOM Power Cord Video 5 input cover FM Antenna/Balun Adapter ...
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Adcom GTP-830 - page 7
A Note from ADCOM 3 The ADCOM Protection Plan 3 Unpacking your GTP-830 3 Safety Information 4-5 GTP-830 Checklist 6 1.0 Product Features 8 1.1 Front Panel Controls 9 1.2 Rear Panel Inputs & Outputs - System Connections 14 1.3 The Remote Control 20 2.0 Installing/Connecting the GTP-830 29 2.1 Physical Placement 29 2.2 Connecting Source Component ...
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Adcom GTP-830 - page 8
8 | ADCOM OWNER’S MANUAL [ 01 ] Power button [ 02 ] Display button [ 03 ] FM Mute/High Blend button [ 04 ] Memory button [ 05 ] T uner Up/Down buttons [ 06 ] T une/Preset button [ 07 ] Display window [ 08 ] V olume knob [ 09 ] Headphone Output and Video 5 inputs [ 10 ] Surround Backs button see page 34 for backs placement [ 11 ] Input Selector bu ...
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Adcom GTP-830 - page 9
1.1 Front Panel Controls The GTP-830’ s front panel is a model of simplicity . All controls are logically grouped for easy , intuitive operation. Familiarize yourself with the preceding diagram and read the short explanations of each feature below . When you finish, you will be well on your way to enjoying the GTP-830’ s convenience and sound q ...
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Adcom GTP-830 - page 10
[ 03 ] FM Mute/High Blend button: This button combines two functions; it switches the tuner from Stereo to Mono and disengages the muting circuitry at the same time. The muting cir- cuit will mute the tuner in between radio stations when searching or tuning to avoid tuning noise. However , very weak radio station signals may be suppressed by the mu ...
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Adcom GTP-830 - page 11
reasonably strong radio station, where it will stop. Press the Down/Up button again for 1/2 second to start searching again. NOTE: Automatic tuning is available on both FM and AM. By briefly tapping the Down or Up buttons you can engage manual tuning respectively down or up the frequency band for precise tuning to a specific fre- quency . With each ...
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Adcom GTP-830 - page 12
[ 11 ] Input Selector buttons: These buttons select the active video and audio input for the GTP-830 and the audio signal sent to the Preamp Outputs, T ape, Aux Outputs, Video 3 & 4 and TV monitor outputs. Video inputs 1, 2 and 3 also select the Digital Inputs 1, 2 and 3, respectively . Video 1: V ideo 1 selects the signal from a TV/Satellite/C ...
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Adcom GTP-830 - page 13
play area and is also shown for 3 seconds in the large text section of the display . The Surround Mode button scrolls through the available surround sound modes when pressed repeatedly . The surround modes are: Stereo: The Stereo mode provides straight two channel listening. With an analog source, it bypasses all processing. With a digital input, o ...
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Adcom GTP-830 - page 14
GTP-830 DIGIT AL PROCESSING TUNER/PREAMPLIFIER 14 | ADCOM OWNER’S MANUAL [ 14 ] Antenna connections [ 15 ] Preamp outputs [ 16 ] Auxiliary outputs [ 17 ] Monitor outputs [ 18 ] Video/Analog Audio inputs and outputs [ 19 ] T ape inputs and outputs [ 20 ] CD Analog inputs [ 21 ] External 5.1 Analog inputs [ 22 ] Digital Audio inputs [ 23 ] AC power ...
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Adcom GTP-830 - page 15
1.2 Rear Panel Inputs & Outputs - System Connections Like the front panel, the GTP-830’ s rear panel is carefully arranged to make hookup, configuration, and use as simple as possible. However , the GTP-830’ s extraordinary capabilities take some study to use most effectively . We strongly suggest that you read this section of the manual be ...
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Adcom GTP-830 - page 16
GTP-830 DIGIT AL PROCESSING TUNER/PREAMPLIFIER [ 15 ] Preamp outputs: Before making any connections, check that the GTP-830 and the power amplifiers it will be con- nected to are switched off. Connect the RCA-to-RCA leads from the Front Left and Right, Center , Surround Rear Left and Right, and Surround Back Left and Right Preamp Outputs to your ex ...
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Adcom GTP-830 - page 17
Video 1 & V ideo 2 (Audio): Inputs for the audio playback and video signal from a video device such as a stereo TV , DVD player , satellite cable TV receiv- er or a Laser Disc. Using twin RCA-to-RCA leads, connect to the left and right ‘Audio Out’ of the video device to these inputs. Using a single RCA-to-RCA lead (Video Composite) or S-V i ...
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Adcom GTP-830 - page 18
GTP-830 DIGIT AL PROCESSING TUNER/PREAMPLIFIER 18 | ADCOM OWNER’S MANUAL [ 23 ] AC power cord: After you have completed all connections to the amplifier , plug the AC line cord into a “live” wall socket. [ 24 ] 12v DC T rigger: T o facilitate remote turn-on and turn-off of other components (power amplifiers, for example), this 2.5mm mini-jack ...
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Adcom GTP-830 - page 19
PRODUCT FEA TURES ADCOM OWNER’S MANUAL | 19 ...
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Adcom GTP-830 - page 20
GTP-830 DIGIT AL PROCESSING TUNER/PREAMPLIFIER [ 24 ] Source selectors [ 25 ] Power button [ 26 ] Input selectors [ 27 ] Mute button [ 28 ] d. range (dynamic range) button [ 29 ] V olume Up/Down buttons [ 30 ] Mode button [ 31 ] Play button [ 32 ] Pause button [ 33 ] Stop button [ 34 ] Arrow buttons [ 35 ] Select button [ 36 ] Direct Access Keypad ...
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Adcom GTP-830 - page 21
1.3 The Remote Control The GTP-830 remote control is a learning remote control that is capable of saving commands for all remote controls in your home theater system. In this way , you may eliminate the confusion of using multiple remotes. Although such power comes with some added complexity , the complexity is minimal and with some repetition will ...
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Adcom GTP-830 - page 22
[ 27 ] Mute button: In all modes , this button is preprogrammed to mute outputs of device. Mute does not affect recordings made using the T ape outputs but will affect the signal going to the Preamp Outputs. When the unit is in mute mode, any adjustment of the V olume Control on the front panel [ 08 ] will release the mut- ing, i.e. the original vo ...
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Adcom GTP-830 - page 23
[ 37 ] T est button: Pressing the test button engages the test signal generator to allow for adjustment of all speaker lev- els, so that each channel can be adjusted for equal loudness at your listening position. The test signal cycles automatically with 3-second intervals from Front Left, Center , Front Right, Rear Right, Back Right, Back Left, Re ...
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Adcom GTP-830 - page 24
NOTES: Direct sunlight or very bright ambient lighting may affect the operating range and angle for the remote control handset. The infrared remote control command receiver , locat- ed to the right of the Power button, receives com- mands from the remote control. There must be a clear line-of-sight path from the remote control to this win- dow; if ...
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Adcom GTP-830 - page 25
PRODUCT FEA TURES P AUSE PLA Y SETUP/UP RIGHT DOWN LEFT SELECT 1 2 3 4 5 6 7 8 9 0 +10 TEST BAL BACKS REPEA T RANDOM AM FM PRE/TUNE RDS TUNING UP TUNING DOWN M1 M2 M3 M4 SLEEP BLACKLIGHT DIM Main Not programmable Not programmable Not programmable OSD Right Select OSD Scroll Down OSD Left Select OSD “Enter” Select Not programmable Not programmab ...
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Adcom GTP-830 - page 26
Programming your ADCOM GTP-830 Remote Controller The ADCOM universal remote controller operates eight different audio/video components. As you’ve already seen, it’ s preprogrammed to control ADCOM’ s GTP-830 Preamp/T uner and the GCD-700/750 CD players. In addition, it has seven “component memory banks” available so you can program the re ...
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Adcom GTP-830 - page 27
5. V erify that the ADCOM remote has learned the new command by pressing and holding the same button on the source remote. The ADCOM remote’ s status LED should flash green twice and then go back to steady orange. This indicates successful programming. Release the button on the source remote. Repeat Steps 3 through 5 for any other commands you wa ...
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Adcom GTP-830 - page 28
For example, if the m1 button is programmed in Group 1 mode to turn on the TV , turn on the audio receiver , turn on the VCR, and then turn on the satellite receiver , it will perform the same series of commands whenever the m1 button is pressed IF main , vid 1 , vid 2 , or vid 3 sources are selected at the time you select that macro. If you’ve p ...
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Adcom GTP-830 - page 29
allow 5" of clearance 2.1 Placement Y our system components need a stable, vibration- free supporting surface. Y our ADCOM dealer will be pleased to show you many different types of audio/video equipment racks and cabinets. Keep the GTP-830 (and other audio/video components) away from moisture and out of direct sunlight. Bear in mind that the ...
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Adcom GTP-830 - page 30
What this section is all about . . . After connecting your home theater , you may elect to configure the GTP-830 to the specific speaker arrangement and dimensions of your system. The procedures described in this section demonstrate how to use the GTP-830’ s on screen display to enter this information. Once complete, the GTP-830 stores this infor ...
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Adcom GTP-830 - page 31
0dB and to match the other channels to it. Normally , if the Right speaker is located at the same distance from the listening position to the Left speaker it should be set at the same level as the Left speaker . Press the T est button again to leave or cancel the T est mode; any changes will be memorized automatically . NOTE: There is no output in ...
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Adcom GTP-830 - page 32
Scroll through the preset delay time options and select the desired time. When both delays have been entered, choose “SA VE & EXIT” to save the settings and return to the Main Menu. In Dolby Digital surround mode, the rear channel delay time can be set from 0ms to 15ms with 1ms increments. The center channel can also be delayed up to 5ms, i ...
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Adcom GTP-830 - page 33
Installing surround speakers will greatly enhance the surround experience as these add considerably to the overall “ambiance.” Dolby Pro Logic encoded material is deliberately limited in dynamic range and frequency bandwidth for the surround channel and thus only requires speakers of far lesser capa- bilities compared to the front channels. Dol ...
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Adcom GTP-830 - page 34
GTP-830 DIGIT AL PROCESSING TUNER/PREAMPLIFIER 34 | ADCOM OWNER’S MANUAL 3.5 Surround Speaker Placement surround rear left surround rear right front left front right center surround rear left surround rear right front left front right center surround back right surround back left surround rear left surround rear right front left front right cente ...
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Adcom GTP-830 - page 35
3.6 Input Settings Input Settings shows information about the current state of operation of the GTP-830, and repeats much of the same information shown on the GTP- 830’ s front panel. This menu should be the only part of the on-screen display you might elect to use reg- ularly after setup is complete, as it allows you to easily see the operating ...
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Adcom GTP-830 - page 36
GTP-830 DIGIT AL PROCESSING TUNER/PREAMPLIFIER 36 | ADCOM OWNER’S MANUAL NOTE 1: Cable TV systems can contribute to ground loop problems, which in turn, cause “hum.” T o determine whether your cable system is the contributing factor , disconnect the cable TV incoming signal line (the round, 75 ohm cable) before it first connects to your syste ...
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Adcom GTP-830 - page 37
TROUBLESHOOTING No sound No sound on one channel No sound on surround channels No sound on center channel “Dolby Digital” OR “DTS” auto- detection function does not work Weak bass/Diffuse stereo image Remote control handset not working No sound with tuner Noise, hiss on AM and FM Distortion on FM Whistles or buzzes on FM & AM Whistles o ...
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Adcom GTP-830 - page 38
CARE, MAINTENANCE, AND SERVICE CARING 38 | ADCOM OWNER’S MANUAL 5.0 Care, Maintenance, and Service Caring for your GTP-830 ADCOM has taken great care to ensure your GTP- 830 is as flawless in appearance as it is electronical- ly . The front panel is a heavy gauge, high-grade alu- minum extrusion carefully finished and anodized for durability . Th ...
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Adcom GTP-830 - page 39
SPECIFICA TIONS Preamplifier Section Input Impedance Audio 50k Ohms Video 75 Ohms Output Impedance Audio 320 Ohms Video 75 Ohms Frequency Response 20Hz to 20kHz ± 0.5dB THD+N@ Rated Output 20Hz to 20kHz ≤ 0.01% IM Distortion CCIF @ 15kHz and 16kHz ≤ 0.009% Signal to Noise Ratio (@ 1kHz “A” weighted) Ref. to 1V input, max output voltage > ...
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Adcom GTP-830 - page 40
10 T imber Lane Marlboro, NJ 07746 tel: 732.683.2356 fax: 732.683.9790 www .adcom.com © 2001 by ADCOM All rights reserved. GTP-830_v5.0 ...
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