Adcom GFR-700 Zone 2 IR input, 11 RS232 control, Main controls, Voltage switch, Main power switch

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6Analog audio inputs/outputs

•Audio 1~4 inputs (R/L) - Connects to the line outputs of up to four analog audio source components.

•Audio 3~4 outputs (R/L) - Connects to the line inputs of up to two analog audio re- cording components.

•Aux output (R/L) - Connects to the line inputs of an analog audio component.

7Composite/S-video inputs/outputs

•Video 1~4 inputs (CVBS/S-video) - Con- nects to the Composite/S-video outputs of up to four video source components.

•Video tape output (CVBS/S-video) - Connects to the Composite/S-video inputs of a video recording component.

8Monitor outputs/HD bypass transcoder

•Video out (CVBS/S-video) - Connects to the Composite/S-video inputs of a TV, monitor, or other display device.

•Video out (Y/Pb/Pr) - Connects to the Component/Progressive Scan inputs of a TV, monitor, or other display device.

9HDMI switcher

•Video 1~2 in - Connects to the HDMI out- puts of an HDMI-compatible source compo- nent.

•Monitor output - Connects to the HDMI inputs of an HDMI-compatible display de- vice.

10Zone 2 IR input

Connects to an IR remote sensor to control the GFR-700 from Room 2.

11RS232 control

Use to control the GFR-700 with a PC or home automation system or to upgrade the receiv- er’s firmware.

12Main controls

•Main IR input - Use to connect a remote IR sensor to control the GFR-700 if the front panel display is obstructed (e.g., be- hind closed doors).

•Main 12V DC trigger - Used to power on a compatible component (e.g., an ampli- fier/receiver or motorized screen) when the GFR-700 is turned on. This trigger is programmable and can be associated with a specific device.

13Digital audio inputs

•Coaxial 1~3 (75 ohm) - Connects to the coaxial digital audio outputs of up to three digital audio source components.

•Optical 1~3 - Connects to the optical digi- tal audio outputs of up to three digital au- dio source components.

14Voltage switch

Sets the GFR-700 voltage to 120V (U.S. stan- dard) or 230 V (international standard).

15Main power switch

Switches the GFR-700’s main power on and off.

16AC input

Connects the GFR-700 to a standard electrical outlet using the supplied power cord.

17Speaker terminals

Connects the GFR-700 to up to five speakers (RS/RF/C/LF/LS).

18Component Video inputs

•Video 1~4 (Y/Pb/Pr) - Connects to the Component/Progressive Scan outputs of up to four video source components.

19Subwoofer output

Connects to a powered subwoofer for all speaker configurations.

207.1 Preamp outputs

Connects to the 7.1-channel inputs of an exter- nal power amplifier.

•For right back and left back surround speakers, use the “RB” and “LB” outputs.

Chapter 1 - Welcome

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GFR-700 Owner’s Manual

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Contents GFR-700A/V Receiver Copyrights/Trademarks Congratulations on your purchase of the Adcom GFR-700Table of Contents Regulatory Information Important Safety InstructionsUnpacking the GFR-700 Key FeaturesIntroduction Inserting the Remote Batteries About the Remote ControlPlacing the GFR-700 Front Panel Overview Remote Control Overview Preset/Tune button Volume  / buttonsSetup button Mode buttonRear Panel Overview 11 RS232 control Voltage switchMain power switch Zone 2 IR inputVideo source Surround modeVolume level Display OverviewBefore You Begin Connections OverviewAntenna Input Connecting the AM Loop AntennaConnecting the FM Antenna AM/FM Antenna ConnectionsVideo Input Connecting Audio/Video ComponentsBasic Audio/Video Connections For Advanced ConnectionsHdmi Connections DVD Player ConnectionsComponent/Progressive Scan Connections Digital Audio ConnectionsChatper 2 Connections Coaxial Optical Digital Audio Connecting Digital Audio ComponentsDigital Audio Connections Hdmi Connections Using the Hdmi JacksConnecting Hdmi Components External Decoder Connections Connecting a DVD-A/SACD PlayerTape Input Connecting a CD PlayerConnecting a Tape Player Component Video Connections TV/Monitor ConnectionsComposite Video Connections Video ConnectionsPlacing your Speakers Speaker PlacementLeft Surround Front Center Connecting SpeakersSpeaker Connections RightSurround Back Right Back Left Subwoofer Output Connecting an AmplifierConnecting Surround Back Speakers Connecting a SubwooferOutput Video 3 Video Connecting a Video RecorderTape Aux Output Connecting a Tape RecorderTape Out/Aux Connections Variable or Fixed Output? Connecting the Zone 2 OutputsConnecting the 12V DC Trigger Connecting a Remote SensorPC Connections Screen/Power Trigger ConnectionsControl Connections Remote IR Sensor ConnectionsTurning on the Power Power ConnectionsChecking the Voltage Switch Connecting the Power CableSetup Overview Setup Navigation Input Configuration Speaker Configuration Delay Unit Delay ConfigurationSurround / R Surround Channel BalanceTest Tone Front / R FrontPro Logic IIx/Neo6 Configuration Plii Music Config Center WidthPlii Music Config Dimension NEO6 Music Config Center ImageMute Advanced SettingsRoom 2 Basic Configuration RoomRoom 2 Advanced Configuration VID BLK LVL Setup LockSystem Configuration OSD Time OUTTuner Analog Input LevelVideo 1~4 TapeProgramming Remote Commands Remote Control SetupUsing Preprogrammed Commands Main Commands Video 1-3 Commands Using Preprogrammed CommandsVideo 4 GDV-850 Commands CD GCD-750 Commands Tuner Commands Room 2 Commands Programming a Command Programming Remote CommandsDeleting all Commands for all Components Deleting Remote CommandsDeleting a Command Deleting all Commands for a ComponentDeleting a Macro button Programming Macro ButtonsProgramming a Macro Button Ascii Discrete Remote Control CommandsFunction Description Operations Overview Tape Playback Special Playback FeaturesBasic Audio/Video Playback External 7.1 PlaybackDTS Surround Modes Selecting Surround ModesDolby Surround Modes Hall Other Surround ModesStereo Making an Audio/Video Recording Basic RecordingTuner Operations System Operations Using the Sleep TimerUsing the Front Panel Display Dimmer Activating the Room 2 Output Overriding Default Room 2 SettingsRoom 2 Operations Adcom Protection Plan Product Care & MaintenanceSystem Reset Customer SupportSymptom Possible Reason Possible Solution TroubleshootingTechnical Specifications Index Page East Anderson Drive, Suite Scottsdale, Arizona Voice Fax

GFR-700 specifications

The Adcom GFR-700 is a high-performance A/V receiver that epitomizes cutting-edge technology and excellent audio capabilities for home theater enthusiasts. Designed with both versatility and user-friendliness in mind, this receiver integrates advanced features that make it a formidable choice for any modern audio setup.

One of the standout characteristics of the GFR-700 is its powerful amplification. It is equipped with a robust power supply and delivers an impressive output power, ensuring that your audio is not only loud but also clear and dynamic. Each channel is meticulously engineered to handle demanding audio frequencies, producing a soundstage that can envelop any room.

The GFR-700 is compatible with a wide variety of audio formats, including the latest surround sound technologies. It supports Dolby Atmos and DTS:X, allowing users to experience immersive 3D sound. This capability is further enhanced by advanced digital signal processing that optimally maps audio to the listening environment. The receiver also features 4K Ultra HD pass-through, HDR support, and a host of HDMI inputs, making it an ideal companion for high-definition video sources.

Connectivity is another stronghold of the GFR-700. With Wi-Fi, Bluetooth, and Ethernet capabilities, users can easily stream music from various services or their personal library. The receiver also supports multi-room audio, enabling playback in different areas of the home for a cohesive audio experience.

User-friendliness is enhanced by the intuitive interface and remote control system that simplifies navigation. The inclusion of a mobile app allows users to control the receiver from their smartphones, making adjustments a breeze, whether they're in the room or across the house.

The build quality of the GFR-700 is also noteworthy. The receiver's design incorporates heat dissipation features that maintain optimal operating temperatures, enhancing longevity. Its sleek appearance ensures it blends seamlessly with any entertainment setup.

In summary, the Adcom GFR-700 stands out in the crowded market of A/V receivers due to its powerful amplification, advanced surround sound technologies, versatile connectivity options, and user-friendly design. It is an ideal choice for audiophiles and casual listeners alike who seek to elevate their home audio experience.
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