NEC Projector Vt45 User Manual

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11 12 13 14 156 978
D-Sub Pin Assignments
Mini D-Sub 15 Pin Connector
Pin No. RGB Signal (Analog) YCbCr Signal
1 Red Cr
2 Green or Sync on Green Y
3 Blue Cb
4 Ground
5 Ground
6 Red Ground Cr Ground
7 Green Ground Y Ground
8 Blue Ground Cb Ground
9 No Connection
10 Sync Signal Ground
11
12 Bi-directional DATA (SDA)
13 Horizontal Sync or Composite Sync
14 Vertical Sync
15 Data Clock
Signal Level
Video signal : 0.7Vp-p (Analog)
Sync signal : TTL level 
						

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Timing Chart
Signal Resolution Frequency H. Refresh Rate Dot Clock
( Dots ) ( kHz ) ( Hz ) ( MHz )
NTSC–15.734 60 -
PAL–15.625 50 -
SECAM 768
576 15.625 50 -
VESA 640
480 31.47 59.94 25.175
IBM 640
480 31.47 60 25.175
MAC 640
480 31.47 60 25.175
MAC 640
480 34.97 66.67 31.334
MAC 640
480 35 66.67 30.24
VESA 640
480 37.86 72.81 31.5
VESA 640
480 37.5 75 31.5
IBM 640
480 39.375 75 31.49
VESA 640
480 43.269 85.01 36
IBM 720
350 31.469 70.09 28.322
VESA 720
400 37.927 85.04 35.5
IBM 720
350 39.44 87.85 35.5
IBM 720
400 39.375 87.7 35.5
VESA 800
600 35.16 56.25 36
VESA 800
600 37.879 60.32 40
VESA 800
600 48.077 72.19 50
VESA 800
600 46.88 75 49.5
VESA 800
600 53.674 85.06 56.25
# MAC 832
624 49.725 74.55 57.283
# VESA 1024
768 35.5 43 Interlaced 44.9
# VESA 1024
768 48.363 60 65
# VESA 1024
768 57.476 70.07 75
# IBM 1024
768 58.131 72.03 79
# MAC 1024
768 60.241 74.93 80
# VESA 1024
768 60.023 75.03 78.75
# VESA 1024
768 68.677 85 94.5
# VESA 1152
864 67.5 75 108
# MAC 1152
870 68.681 75.06 100
# SUN 1152
900 61.796 65.95 92.94
# SGI 1152
900 71.736 76.05 105.6
# VESA 1280
960 60 60 108
# SGI 1280
1024 63.9 60 107.35
# VESA 1280
1024 63.981 60.02 108
# MAC 1280
1024 64.31 60.38 107
# MAC 1280
1024 69.9 65.2 118.5
# HP 1280
1024 78.125 72.01 135
# SUN 1280
1024 81.13 76.11 135
# VESA 1280
1024 79.976 75.03 135
# VESA 1280
1024 91.146 85.02 157.5
#HDTV (1080i)(1125i)1920
1080 33.75 60 Interlace 74.25
#HDTV (720p)(750p)1280
720 45 60 Progressive 74.25
#SDTV (480p)(525p)–31.47 59.94 Progressive 27
#SDTV (480i)(525i)–15.73 59.9 Interlace–
#: Images in above flagged with # are compressed with Advanced AccuBlend.
NOTE1: Some composite sync signals may not be displayed correctly.
NOTE2: Signals other than those specified in the table above may not be displayed correctly. If this should happen, change the refresh rate or resolution on
your PC.  Refer to Display Properties help section of your PC for procedures. 
						

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Cable Connection
Communication Protocol
Baud rate: 19200 bps
Data length: 8 bits
Parity: No parity
Stop bit: One bit
X on/off: None
CommunicationsFull duplex
procedure:
1 2 54 36
7 8
To RxD of PCPC Control Connector (DIN-8P)
To TxD of PCTo GND of PC
NOTE:  Pins 2, 3, 5, 6 and 8 are used inside the projector.
PC Control Codes
Function Code Data
POWER ON 02H 00H 00H 00H 00H 02H
POWER OFF 02H 01H 00H 00H 00H 03H
INPUT SELECT RGB 02H 03H 00H 00H 02H 01H 01H 09H
INPUT SELECT VIDEO 02H 03H 00H 00H 02H 01H 06H 0EH
INPUT SELECT S-VIDEO 02H 03H 00H 00H 02H 01H 0BH 13H
PICTURE MUTE ON 02H 10H 00H 00H 00H 12H
PICTURE MUTE OFF 02H 11H 00H 00H 00H 13H
SOUND MUTE ON 02H 12H 00H 00H 00H 14H
SOUND MUTE OFF 02H 13H 00H 00H 00H 15H
NOTE: Contact your local dealer for a full list of the PC Con-
trol Codes if needed.

 
						

							LCD Projector
User’s Manual
Printed in Japan
7N8P0562
NEC VT45 User’s Manual
VT_H1-401.9.17, 4:19 PM 1
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