NEC Lt100 Projector Users Manual
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Command Codes (continued) No. Function Code Data Description 99 SPECIFICATIONS100 32 Display Mode Select1FH Yes 0 Normal Aspect 1 Wide Aspect 33 Power Management On15H No 34 Power Management Off16H No 35 Digital Zoom W 89H No Same as remote 36 Digital Zoom T 8AH No Same as remote 37 Brightness 60H Yes 0 (00H) ÐÐ 63 (3FH) 38 Contrast 62H Yes 0 (00H) ÐÐ 63 (3FH) 39 Color 64H Yes 0 (00H) ÐÐ 63 (3FH) 40 Tint 66H Yes -32 (E0H) ÐÐ 31 (1FH) 41 Sharpness 68H Yes 0 (00H) ÐÐ 63 (3FH) 42 Audio Volume 6AH Yes 0 (00H) ÐÐ 63 (3FH) 43 Picture Adj 70H Yes -32 ( FFE0H) ÐÐ 31 (001FH) 44 Fine Picture 6EH Yes 0 (00H) ÐÐ 127 (7FH) 45 H Position 72H Yes -128 (80H) ÐÐ 127 (7FH) 46 V Position 74H Yes -64 (C0H) ÐÐ 63 (3FH) 47 Lamp Reset 3FH No 48 Lamguage Select 3DH Yes 0 English 1 German 2 French 3 Italian 4 Spanish 5 Swedish 6 Japanese WHITE BALANCE 49 Sub Brightness R 75H Yes 0 (00H) ÐÐ 63 (3FH) 50 Sub Brightness G 76H Yes 0 (00H) ÐÐ 63 (3FH) 51 Sub Brightness B 77H Yes 0 (00H) ÐÐ 63 (3FH) 52 Sub Contrast R 78H Yes 0 (00H) ÐÐ 63 (3FH) 53 Sub Contrast G 79H Yes 0 (00H) ÐÐ 63 (3FH) 54 Sub Contrast B 7AH Yes 0 (00H) ÐÐ 63 (3FH)
Cable Connection Communication Protocol Baud rate: 9600 bps Data length: 8 bits Parity: No parity Stop bit: One bit X on/off: None CommunicationsFull duplex procedure: If the CPU of the projector has received the data correctly, it returns an ACK(C5H). If the received data is not correct, the CPU returns a NAK(CAH), then the following status: Receiving success: C5 Receiving failure: CA Err Err 01: Command Error (command not supported) Err 02: Checksum Error Err 03: Busy (command not acceptable) 101 44 Err 04: Parameter Error ( parameter data abnormal) 1 2 54 36 7 8 To RxD of PC©PC Control Connector (DIN-8P) NOTE: If failing in powering-on, the CPU returns the following NAKs: CA Err 1 Err 1 8X (Apply the corresponding bit.) Bit 0: Lamp housing is not attached correctly Bit 1: Fan stoppage Bit 2: Overheated Bit 3: Lamp lighting failure To TxD of PC§To GND of PC© SPECIFICATIONS102