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