Zenith P50W26, Service Manual

Page: 13 / 38

PV154 - 923-03499
13
P50W26 - SERVICING
SERVICING
the volume up button. Use the volume button to adjust
SET ID to choose a desired monitor ID number. The
adjustment range for SET ID is 1- 99. Default monitor ID
is 1.
COMMUNICATION
COMMUNICATION PARAMETERS
• Baud rate: 2400 bps (UART)
• Data length: 8 bits
• Parity: None
• Stop bit: 1 bit
• Communication code: ASCII code
If the command interval is interrupted for more than
4 seconds, only Command 1 will be recognized. Be
careful when using the power command.
COMMAND REFERENCE LIST
Note: Data values are written in hexidecimal. They must be
passed to the monitor in Hexidecimal form.
NAME COMMAND DATA RANGE
01. Power p 0 - 1
02. Input Select i 0 - 3
03. Aspect Ratio r 0 - 2
04. Screen mute m 0 - 1
05. Volume mute w 0 - 1
06. Volume control v 0 - 64
07. Contrast k 0 - 64
08. Brightness b 0 - 64
09. Color c 0 - 64
10. Tint t 0 - 64
11. Sharpness s 0 - 64
12. OSD select d 0 - 1
13. Abnormal state a 0 - 1
14. PIP z 0 - 3
15. PIP input select e 0 - 1
16. PIP sound select u 0 - 1
17. PIP position x 0 - 3
18. remote control
adjustment mode j 0 - 1
Transmission
* [Command] : To control PDP set.
* [Set ID]
: You can adjust the set ID to choose
desired monitor ID number in special
menu. See page 47. Adjustment range
is 1 ~ 99.
When selecting Set ID 0 , every connected
PDP set is controlled.
* [DATA]
: To transmit command data.
Transmit FF data to read status of
command.
* [Cr] :
Carriage Return
ASCII code 0x0D
* [ ]
: ASCII code space (0x20)
[Command][ ][Set ID][ ][Data][Cr]
OK Acknowledgement
* The Monitor transmits ACK (acknowledgement) based
on this format when receiving normal data. At this
time, if the data is data read mode, it indicates present
status data. If the data is data write mode, it returns
the data of the PC computer.
[Set ID][:][OK][x][Data][x]
Error Acknowledgement
* The Monitor transmits ACK (acknowledgement) based
on this format when receiving abnormal data from
non-viable functions or communication errors.
[Set ID][:][NG][x]
Transmission / Receiving Protocol