Sunfire TGR401 User Manual

User's Manual

APPENDIX

The RS-232 Port

 The TGR-401 has a rear panel 

RS-232 Serial communication port. 
This allows the FLASH memory to 
be upgraded to the latest software by 
connecting to a PC.

The TGR-401 software may be 

updated to re ne operational details 
and to include new features. Down-
loadable updates will be posted on 
our website:www.sun re.com.

The port can also connect to the se-

rial port of a Home Theater Controller, 
to operate the TGR-401 remotely.

Communications

Serial RS-232, 19200 Baud, 8-N-1

DB-9 Wiring 

PINS 1, 6 and 4 are joined together 

in ter nal ly

PINS 7 and 8 are joined together 

in ter nal ly

PIN 2- Data from TGR-401 to con-

troller (TGR-401 transmit)

PIN 3- Data from controller to TGR-

401 (TGR-401 receive)

PIN 5- Ground/Common

PIN 9- No connection

The RS-232 connector is female.

Serial Cable

To connect the TGR-401 port to a 

computer, you will need a "straight-
through" serial cable. This has con-
nector pins at one end connected 
directly to the pins of the connector at 
the other end. For example, pin 1 at 
one end connects to pin 1 at the other 
end, pin 2 connects to pin 2, pin 3 to 
pin 3 and so on.

These common cables are avail-

able from most computer stores (or 
from Radio Shack as # 26-117). It 
should be 9-pin male at one end, to 
 t into the TGR-401 and normally 

9-pin female at the other, to  t into 
your computer's serial port (COM1 or 
COM2).

Update Procedure

1.  The current version level of the 

software running your TGR-
401 can be found by looking 
at the SOFTWARE VER. OSD 
menu. This is under the CON-
TROL menu (see page 35). 

2.  Downloadable updates are on 

our website www.sun re.com. 
If the website  le is newer than 
your current version, follow the 
website directions to update 
your TGR-401.

3.  Record your calibration, preset 

stations or other settings. In 
most cases, the upgrade will 
not affect any of these settings, 
but it is good to record them 
just in case.

4.  

Turn off your computer and 
the TGR-401. Position them 
close enough so that they can 
be easily connected using 
your serial cable. If you have 
a laptop computer, then it may 
be easier to bring that close to 
the TGR-401.

5.  Connect the TGR-401 RS-232 

port to the corresponding serial 
port on your computer.

6.  Turn on the TGR-401 and your 

computer.

7.  Install the  rmware update ap-

plication to your PC.

8.  When the  le transfer is com-

plete, press the Power switch 
on the TGR-401 front panel. 
This completes the upgrade.

9.  Turn off your computer and the 

TGR-401, and disconnect the 
serial cable.

External Control

The RS-232 port also allows the 

TGR-401 to be controlled externally 
by Home Theater controllers and com-
 put ers. 

Serial command set

Note for programmers and develop-

ers: Contact Sun re Technical Sup-
port, or our website www.sun re.com 
for a list of serial commands.