Discrete Remote Control Commands

The GTP-870HD can be controlled via its serial RS-232 port. The serial port can be connected to a media con- trol center, PC, or ‘dumb terminal’ via a straight-through standard 9-pin serial port cable (MALE on one end and FEMALE on the other end). When using a PC, a terminal emulator program (e.g. HyperTerminal), can be used to control the GTP-870HD. The communications parameters should be set as follows:

9600 baud, 8 data bits, no parity, 1 stop bit, and Flow Control: Hardware.

All serial port control commands are structured as a four byte packet or string “<SOP>, <cmd>, <data>, <EOP>”.

SPECIAL RESERVED CHARACTERS: <SOP> Start Of Packet = 0x7B = “{“ (The Left Curly Bracket); <EOP> End Of Packet = 0x7D = “}” (The Right Curly Bracket).

Example syntax for the Discrete Remote Control Command for ‘Main Volume UP’ expressed as a hexadecimal string: 0x7B, 0x44, 0x2B, 0x7D

Function Description

Data

ASCII

Main Volume UP

0x2B

+

Main Volume DOWN

0x2D

-

Main Mute

0x5B

[

Main Un-mute

0x5D

]

Sleep OFF

0x1F

US

Sleep (30)

0x20

SPACE

Sleep (60)

0x21

!

Sleep (90)

0x22

Sleep (120)

0x0A

LF

Sleep (180)

0x12

DC2

Test tone (noise) On

0x28

(

Test tone (noise) Off

0x29

)

VFD (Bright)

0x5C

\

VFD (Dim)

0x2C

,

VFD (OFF)

0x23

#

Dynamic Range Normal (100%)

0x25

%

Dynamic Range 75%

0x40

@

Dynamic Range 50%

0x3F

?

Dynamic Range 25%

0x2F

/

Surround Mode select: (steps

0x30

0

through available modes)

 

 

Direct SurMode select: DOLBY

0x38

8

DIGITAL

 

 

Direct SurMode select: DOLBY PRO

0x31

1

LOGIC

 

 

Direct SurMode select: DOLBY PLII-

0x53

S

CINEMA

 

 

Direct SurMode select: DOLBY PLII-

0x2E

.

MUSIC

 

 

Direct SurMode select: DOLBY PLII-

0x54

T

PANORAMA

 

 

Direct SurMode select: DOLBY

0x32

2

DIGITAL EX

 

 

Direct SurMode select: DOLBY PLIIx-

0x0E

SO

CINEMA

 

 

Direct SurMode select: DOLBY PLIIx-

0x0F

SI

MUSIC

 

 

Function Description

Data

ASCII

Direct SurMode select: DOLBY

0x10

DLE

PLIIx–PANORAMA

 

 

Direct SurMode select: DTS

0x34

4

Direct SurMode select: DTS NEO:6-

0x51

Q

CINEMA

 

 

Direct SurMode select: DTS NEO:6-

0x52

R

MUSIC

 

 

Direct SurMode select: DTS-ES

0x39

9

Direct SurMode select: ADCOM

0x33

3

7.1m2 STEREO

 

 

Direct SurMode select: 5 CHANNEL

0x36

6

STEREO

 

 

Direct SurMode select: 2 CHANNEL

0x37

7

STEREO

 

 

Direct SurMode select: HALL

0x35

5

OSD Setup Menu (Toggle On/Off)

0x11

DC1

OSD Navigation Up

0x5E

^

OSD Navigation Down

0x5F

_

OSD Navigation Select / Enter

0x3D

=

OSD Navigation Left

0x3C

<

OSD Navigation Right

0x3E

>

Front Left Channel Trim +

0x55

U

Front Left Channel Trim -

0x56

V

Front Right Channel Trim +

0x57

W

Front Right Channel Trim -

0x58

X

Surround Left Channel Trim +

0x41

A

Surround Left Channel Trim -

0x42

B

Surround Right Channel Trim +

0x43

C

Surround Right Channel Trim -

0x44

D

Surround Back Left Channel Trim +

0x45

E

Surround Back Left Channel Trim -

0x46

F

Surround Back Right Channel Trim +

0x47

G

Surround Back Right Channel Trim -

0x48

H

Center Channel Trim +

0x49

I

Center Channel Trim -

0x4A

J

Subwoofer Channel Trim +

0x4B

K

Chapter 3 - Setup

www.adcom.com

GTP-870HD Owner’s Manual

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Adcom GTP-870HD user manual Discrete Remote Control Commands, Function Description Data

GTP-870HD specifications

The Adcom GTP-870HD is a versatile home theater processor and amplifier, designed to deliver exceptional sound quality and a range of advanced features for audio and video enthusiasts.

At its core, the GTP-870HD supports high-definition audio and video formats, making it a centerpiece for modern home entertainment systems. With its capability to process various surround sound formats, including Dolby Digital, DTS, and advanced multichannel audio formats, it ensures a truly immersive listening experience. The processor is equipped to handle high-definition audio streams, allowing users to enjoy music with clarity and depth that exceeds standard listening experiences.

One of the standout features of the GTP-870HD is its ability to decode high-definition audio formats such as Dolby TrueHD and DTS-HD Master Audio. This is complemented by built-in advanced digital signal processing (DSP), enabling fine-tuning of audio settings to fit the unique acoustics of any room. This attention to detail ensures that every sound is reproduced accurately, whether it’s a subtle dialogue or the crescendo of a cinematic score.

In terms of connections, the GTP-870HD is equipped with an array of inputs and outputs. It includes multiple HDMI ports, allowing for seamless integration with high-definition sources like Blu-ray players, gaming consoles, and streaming devices. The HDMI interfaces support 4K and 3D video pass-through, ensuring compatibility with the latest video technologies. Additionally, the unit features analog inputs, allowing for traditional sources to be connected, making it a flexible choice for varied setups.

The GTP-870HD also boasts advanced user controls with an intuitive on-screen display, enabling easy navigation through settings and configurations. This user-friendly interface enhances the overall experience, making it accessible even for those who may not be as technologically inclined.

Furthermore, the inclusion of advanced room calibration technology optimizes audio playback based on room characteristics, ensuring that sound is balanced and immersive, regardless of the environment.

Overall, the Adcom GTP-870HD is designed for audiophiles and home theater enthusiasts who demand high-quality performance and advanced features. With its robust set of specifications and capabilities, it represents an excellent value for those looking to enhance their home entertainment systems. With the GTP-870HD, users can expect an enriched audio experience that truly brings movies, music, and games to life.