NEC Vt580 Projector User Manual

53
6. Maintenance
6. Connect the supplied power cable, turn on the Main Power switch and turn\
 on the projector.7. Finally, select the menu 
→ [Reset] → [Clear Lamp Hours] to reset the lamp usage hours.
NOTE: When the lamp exceeds 2100* hours (up to 3100* hours in Eco mode)\
 of service, the projector cannot turn on and themenu is not displayed.If this happens, press the HELP button on the remote control for ten sec\
onds to reset the lamp clock back to zero.
When the lamp time clock is reset to zero,...

54
7. Appendix
Indicator ConditionProjector Condition Note
Off
Blinking light
Steady light Green
Orange
Green
Orange 0.5 sec On,
0.5 sec Off
2.5 sec On,
0.5 sec Off
0.5 sec On,
0.5 sec Off
The main power is off
The projector is getting ready to turn on.
Off Timer is enabled.
The projector is cooling down.
The projector is turned on.
The projector is in Standby. –
Wait for a moment.
–
Wait for a moment.
–
–
Status Indicator
Indicator Condition
Projector Condition Note
Off
Blinking light
Steady light Red...

55
7. Appendix
Common Problems & Solutions (→  Power/Status/Lamp Indicator on page  54.)
Does not turn on
Will turn off
No picture
Picture suddenly
becomes dark
Color tone or hue is
unusual
Image isn ’t square to
the screen
Picture is blurred
Image is scrolling
vertically, horizontally
or both
Remote control does
not work
Indicator is lit or
blinking
Cross color in RGB
mode •
Check that the power cable is plugged in and that the power button on th\
e projector cabinet or the remote
control is on. ( →...

56
7. Appendix
If there is no picture, or the picture is not displayed correctly.
• Power on process for the projector and the PC.
Be sure to connect the projector and notebook PC while the projector is \
in standby mode and before turning on
the power to the notebook PC.
In most cases the output signal from the notebook PC is not turned on un\
less connected to the projector before
being powered up.
NOTE: You can check the horizontal frequency of the current signal in the projector ’s menu under...

57
7. Appendix
 Specifications
This section provides technical information about the VT580/VT480/VT58/V\
T48 projectors performance.
Model Number VT580/VT480/VT58/VT48
Optical
LCD Panel 0.6 p-Si TFT active-matrix with Micro Lens Array
Resolution VT580/VT58: 1024 
 768 pixels* native, up to UXGA with Advanced
AccuBlend
VT480/VT48:  800 
 600 pixels* native, up to UXGA with Advanced
AccuBlend
Lens VT580/VT480/VT58: Manual zoom and manual focus
F1.7 - 2.0   f=18.9 - 22.7 mm
VT48:  Digital zoom and manual...

58
7. Appendix
Sync Compatibility Separate Sync / Composite Sync / Sync on G
Built-in Speaker 1W (monaural)
Power Requirement 100 - 240V AC, 50 / 60 Hz
Input Current VT580/VT480: 3.1 - 1.3A
VT58/VT48:  2.4 - 1.0A
Power Consumption VT580/VT480: 8W in Standby mode /
280W in Lamp Normal mode / 221W in Lamp Eco mode
VT58/VT48:  8W in Standby mode /
190W in Lamp Normal mode / 155W in Lamp Eco mode
Mechanical
Installation Orientation Desktop/Front, Desktop/Rear, Ceiling/Front, Ceiling/Rear
Dimensions 12.2 (W)...

59
7. Appendix
 Cabinet Dimensions
Although the appearance is slightly different, the VT580, VT480, VT58 and VT48 are the same in dimensions.
SELECT
MENU
EN T
E REXI
TLAMP
STATUS
POWER
ON/STAND BYAUTO ADJ.
SOURCE
ZOOM
FOCUS
S EL
E C TE
N
TE REX ITL A M
P
S TA T
U S
P O W E
RO
N/S
TA
N
D
 B
YA
U
TO
 A
D
J.
S
O
UR
CE
AUDIO OUT
AUDIO IN
COMPUTER 2 IN
COMPUTER 1 INMONITOR  OUT(COMP 1)
AUDIO IN
S-VIDEO
IN
VIDEO IN PC CONTROL
L
R
PUSH
120.8 (4.8)
258.3 (10.2)
65.3 (2.6)
308.7 (12.2)
71.35 (2.8)
83 (3.3)
Lens...

60
Mini D-Sub 15 Pin Connector
 Pin Assignments of D-Sub COMPUTER Input Connector
Signal Level
Video signal : 0.7Vp-p (Analog)
Sync signal : TTL level
5
14 23 10
11 12 13 14 15
69 78
7. Appendix
* Only COMPUTER 1 input connector supported on VT580/VT480.
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 SCART Sync
12 Bi-directional DATA...

61
7. Appendix
 Compatible Input Signal List
Horizontal: 15KHz to 100KHz (RGB: 24KHz or over)
Vertical: 50Hz to 120Hz
Signal Resolution Frequency H. Refresh Rate
( Dots ) ( kHz ) ( Hz )
NTSC –15.73 59.94PA L –15.63 50.00PAL60 –15.73 60.00SECAM –15.63 50.00VESA 640 
480 31.47 59.94IBM 640 
480 31.48 59.95MAC 640 
480 35.00 66.67VESA 640 
480 37.86 72.81VESA 640 
480 37.50 75.00IBM 640 
480 39.38 75.00VESA 640 
480 43.27 85.01IBM 720 
350 31.47 70.08IBM 720 
350 39.44 87.85IBM 720 
400 39.44 87.85VESA 800...

62
7. Appendix
 PC Control Codes and Cable Connection
PC Control Codes (VT580/VT480)
Function Code Data
POWER ON 02H 00H 00H 00H 00H 02H
POWER OFF 02H 01H 00H 00H 00H 03H
INPUT SELECT COMPUTER 1 02H 03H 00H 00H 02H 01H 01H 09H
INPUT SELECT COMPUTER 2 02H 03H 00H 00H 02H 01H 02H 0AH
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...