RS232 Codes
4 EP4650 and EP5550 RS232 User Guide
Main Item
Control
Item
CMD Type
Value
(DEC)
Reply
(DEC)
Content
CMD
(HEX)
Notes
Other
Control
PIP/Main
Swap
SWA W 00 00 Swap main and PIP 53 57 41
Scaling ASP W/R
00 00 Native
41 53 50
01 01 Fill
02 02 PILLAR Box
03 03 Letter Box
ZOM W
00 00 Zoom in
5A 4F 4D
01 01 Zoom out
Baud Rate
Adjustment
BRA W/R
00 00 115200
42 52 41
01 01 38400
02 02 19200
03 03 9600
Other
Control
RCU W
00 00 MENU Key
52 43 55
01 01 INFO Key
02 02 UP Key
03 03 DOWN Key
04 04 LEFT Key
05 05 RIGHT Key
06 06 ENTER Key
07 07 EXIT Key
ALL W 00 00 Reset all 41 4C 4C
KLC W/R
00 00 Un-lock keys 4B 4C 43
01 01 Lock keys
SER
R
13 bytes Read Serial Number 53 45 52
MNA 13 bytes Read Model Name 4D 4E 41
GVE 6 bytes Read Firmware Version 47 56 45
RTV Current value Read RS232 table
Version
52 54 56