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Appendix 3 – RS232 48
518 User Guide
Appendix 3 – RS232
The 518 may be operated via its RS232 interface.
Set the communication settings as follows:
• Baud rate 9600
• Data bits 8
• Stop bit 1
• Parity none
The 518 is operated by sending short command strings on the RS232
interface. Each command is terminated by a <return> (dec. 13). No echo
is implemented. Any subsequent <return> on its own repeats the last
command.
518 returns useful strings acknowledging the command and giving status
information.
Handset Functions
The following commands emulate the MSR remote control keys.
Sources send one of: CD, RD, LP, TV, T1, T2, CR, CB, TX, V1, V2, LD
Numbers send one of: N1, N2, N3, N4, N5, N6, N7, N8, N9, N0, DP
(decimal point)
Menus send one of: ML, MR, MP, MM (for
w, e, n, s.)
Source send one of: PR (previous), PL (play), NE (next), PS (pause), FB
(fast back), ST (stop), FF (fast forward), RC (record), RP (repeat)
Memory: SR (store), CL (clear)
Status: DI (display), SB (standby)
Volume: VP (up), VM (down), MU (mute)
GoTo Functions
There are direct access functions that use two-character codes that may
be followed by additional numbers or parameters.
VN## Goto volume number
GN±## Goto gain number
BP Goto DSP Bypass
GA Goto DSP Gain
EM Goto DSP Emphasis
DE Goto DSP De-emphasis
DT# Goto dither # (0=flat, 1= HP, ....6=ShapeE)
IN## Goto input bits ##
OU##C Goto output bits ## (Consumer format)
OU##P Goto output bits ## (Professional format)