Controlling The Monitor With A Pc (Rs-232C); Pc Connection; Communication Conditions; Communication Procedure - Sharp PN-80TC3A Operation Manual

Controlling the Monitor with a PC (RS-232C)

You can control this monitor from a PC via RS-232C (COM
port) on the PC.
TIPS
• To control the monitor via RS-232C, set RS-232C/LAN
SELECT to RS-232C.
• When STANDBY MODE is set to LOW POWER, control is
not possible in standby mode.
• You cannot use RS-232C and LAN control simultaneously.

PC connection

Connect the RS-232C conversion cable (supplied) to the RS-
232C input terminal on the monitor. Connect the RS-232C
conversion cable (supplied) to the COM port (RS-232C port)
on your computer with an RS-232 cable (straight).
Computer
To COM port
RS-232 straight cable
(commercially available)
40
E
RS-232C input terminal
RS-232C conversion
cable (supplied)

Communication conditions

Set the RS-232C communication settings on the PC to match
the monitor's communication settings as follows:
Baud rate *
Data length 8 bits
Parity bit None
* Set to the same baud rate as the BAUD RATE setting of
SETUP menu. (Initial setting: 38400 bps)

Communication procedure

nCommand format
When a command is sent from the PC to the monitor, the
monitor operates according to the received command and
sends a response message to the PC.
C1 C2 C3 C4
Command field
(4 prescribed
alphanumerical characters)
Example: VOLM0030
VOLM 30
* Be sure to input 4 characters for the parameter. Pad with
spaces (" ") if necessary.
(" " is a return code (0D
Wrong : VOLM30
Right : VOLM 30
When inputting a negative value, specify a numerical value in
three digits.
Example: AUTR-005
Do not use spaces for MPOS, DATE, and SC01 through
SC08. Specify parameters using a specified number of
characters.
Example: MPOS010097
If a command has "R" listed for "Direction" in the
"RS-232C command table" on page 43, the current value can
be returned by using "?" as the parameter.
Example:
VOLM ? ? ? ? ←
30 ←
Stop bit 1 bit
Flow control None
Return code
P1 P2 P3 P4
Parameter field
(4 character string comprised of:
0-9, +, -, space, ?)
, 0A or 0D ))
H H H
From PC to monitor (How much
is current volume setting?).
From monitor to PC (Current
volume setting: 30).