Ricoh PJ X3340, Operating Instructions Manual

Page: 91 / 104

Pin No.
Pin description
During RGB input
During Y/Pb/Pr input
(Computer1 In port only)
15 I
2
C CLOCK
Input Signal
• RGB input
RGB signals: 0.7V (p-p), 75
Horizontal sync signal: TTL level (Pos/neg polarity)
Vertical sync signal: TTL level (Pos/neg polarity)
• Y/Pb/Pr input (Computer1 In port only)
Y signal: 1.0V (p-p), 75
Pb/Pr signals: 0.7V (p-p), 75
Control Port
Interface format
Communication method RS-232C, 115,200bps, No Parity, Data Length: 8 bits; Stop Bit
Length: 1bit
Communication format #(23h)’ + C CR (0Dh)
Only 1 command valid per communication.
For the available commands, see "Main commands".
Data format For input commands, only ASCII-compliant all-uppercase
alphanumeric characters supported.
Replies • Acknowledge (Aborted)
'=(3Dh)' + Command(3byte) + ':(3Ah)' + 'E(45h)' + 'R(52h)' +
'0(30h)' + CR(0Dh)
• No acknowledge
'=(3Dh)' + 'E(45h)' + 'R(52h)' + '0(30h)' + CR(0Dh)
For details of Acknowledge (Normally ended), see "Main
commands".
Specifications for Ports
89