Meridian DSP420 Configuration guide

Meridian Audio Limited, Stonehill, Stukeley Meadows, Huntingdon, Cambs PE29 6EX

Tel +44 1480 445678 Fax +44 1480 445686

http://www.meridian-audio.com/

DSP420 RS232

Information

Data from DS 6ii03

Meridian DSP420 RS232 Interface.

General Information

The RS232 interface for the DSP420 can be operated from any terminal that operates at 9600 baud

with 1 start bit, 1 stop bit and no parity. Commands take the form of 2 ASCII characters, in some

cases followed by a signed argument (‘nn’ below). All characters are echoed by the speaker. A

carriage return character will execute the command and backspace is also implemented. When a

command is executed, the speaker will return 8 characters.

Basic Functions

The following tables list the basic commands available and show examples of the messages

returned. In each case the message retuned via RS232 corresponds with the display on the front

panel of the processor.

Source Commands

RS232 Command Description Message Returned

CD Select CD source CD 65

RD Select Radio Radio 65

LP Select LP LP 65

TV Select TV TV 65

T1 Select Tape 1 Tape1 65

T2 Select Tape 2 Tape2 65

CR Select CDR CDR 65

CB Select Cable Cable 65

DV Select DVD DVD 65

V1 Select VCR 1 VCR1 65

V2 Select VCR 2 VCR2 65

LD Select Laser Disc LDisc 65

Volume Commands

RS232 Command Description Message Returned

VP Volume + CD 66

VM Volume -CD 64

VNnn Go to volume (1-99) CD 87

MU Mute Mute

SB Standby Standby

POnn Position Setting, 0=Normal, 1=High, 2=Corner Normal

BNnn Bass setting B. +2.0

TNnn Tilt Setting T. -3.0

LNnn Balance setting L. +3

%inn Input 1=D1, 2=D2 Input D1

PHnn Phase Phase +

Meridian Audio Limited, Stonehill, Stukeley Meadows, Huntingdon, Cambs PE29 6EX

Tel +44 1480 445678 Fax +44 1480 445686

http://www.meridian-audio.com/

DSP420 RS232

Information

Data from DS 6ii03

Additional Source Commands –Correspond to MSR4 keys

RS232 Command Description RS232 Command

Description

PL Play rp AB Repeat

ST Stop AB AB Repeat

PS Pause PH Phase

RP Repeat TB T (MSR 3)

NE Next #B # button

PR Previous CH Chapter (MSR3)

DI Display SE Setup

SR Store ME Menu

CL Clear RT Return

DP Decimal Point EN Enter

FF Fast Forward TM Top menu

FB Fast Back NP Next page

N0 –N9 Number keys 0 -9 PP Previous page

OP Open cl Fn Clear

MO Mono sr Fn Store

TI Title di Fn Display

SL Slow mu Fn Mute

BA Band mp Fn Menu U

AU Audio mm Fn Menu D

SU Subtitle on/off ml Fn Menu L

su Subtitle choice mr Fn Menu R

OS OSD vp Fn Volume Up

RC Record vm Fn Volume Down

AN Angle

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