Zenith L15V26C Service Manual page 15

5. RS232C(RMS Only)
(1) Use the Untweasted 232C Cable
(2) Use the PC program which is sent by Zenith
(3) 232C Protocol
No.
1 Power On
2 Power Off
3 Volume Up
4 Volume Down
5 Volume Direct Access
6 Set Volume Limit
7 Direct Channel
Select
8 Poll/Front Panel
Lockout
9 Poll/Front Panel
Unlockout
10 Status Read Back
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ADJUSTMENT INSTRUCTION
Command
E110F1 Turn the set on.
E111F2 Turn the set off.
E10AEB Volume up 1 level
E10BEC Volume down 1 level
Select desired volume data directly.
EAXXYY XX : desired volume value(HEX)
YY : check Sum of EA and XX
Set the range of adjustable volume value
EBXXYY XX : adjustment data of volume value
YY : check Sum of E1 and XX
Select channel with number keys.
E4XXYY E4 : Direct Channel command
XX : channel data want to change
YY : check Sum of E4 and XX
Front/Remocon Key Lock command
A0A0 A0 : Key Lock command(Both Local and Remocon keys)
A0 ; Check Sum
Front/Remocon Key Lock command
B0B0 B0 : Key Unlock command(Both Local and Remocon keys)
B0 : Check Sum
Read present status of set
Data Bytel(XX)
Bit
0~5
ABWWXXYY 6
7
Data Byte2(YY)
Bit
0~7
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Remark
Description
Volume data(hex. 0~3F)
signal status(1=Good, 0=Bad)
Power status(1=On, 0=Off)
Description
Channel Number
(Same with direct Channel)