NEC Ht410 Entertainment Projector Users Manual

E-50
Does not turn on
Lamp does not turn on;
POWER and STATUS
LEDs are blinking green
at the same time
Will turn off
No picture
Image isn’t square to the
screen
Color tone or hue is un-
usual•Check that the power cable is plugged in and that the power button on the
projector cabinet or the remote control is on. See pages E-20 and E-21.
•Ensure that the lamp cover or lamp housing is installed correctly. See page
E-47.
•Check to see if the projector has overheated or the lamp has reached the end
of its...

E-51
Picture is blurred
Image is scrolling verti-
cally, horizontally or
both
Remote control does
not work
Indicator is lit or blink-
ing
Cross color in RGB
mode•Remove the lens cap.
•Adjust the focus. See page E-26.
•Reposition the projector to improve its angle to the screen. See pages E-23
and E-24.
•Ensure that the distance between the projector and screen is within the ad-
justment range of the lens. See pages E-11 to E-14.
•Condensation may form on the lens if the projector is cold, brought into a...

E-52
7. TROUBLESHOOTING
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 RGB cable between the projector and the computer before turning on the computer.
There are some notebook PCs, which do not output signal unless there is a projector or monitor connected
first.
NOTE: You can check the horizontal frequency of the current signal in the projector’s menu under Information. If it reads “0kHz”, this means there is no...

E-53
8. SPECIFICATIONS
8. SPECIFICATIONS
This section provides technical information about the HT510/HT410 Projectors performance.
Model Number HT510/HT410
Optical
DMD Single Chip Digital Micromirror Device (DMD)
Resolution HT510: 1024
576 pixels*
1 up to 1080i with scaling technology
HT410: 854
480 pixels*1 up to 1080i with scaling technology
Lens Manual zoom and focus, manual lens shift
F2.0 - 2.48  f=19.5 mm - 23.0 mm
Lens shift: Vertical 0.5 V
Lamp 155W DC (124W Eco mode)
Image Size 30 - 200 diagonal...

E-54
8. SPECIFICATIONS
Mechanical
Installation Orientation Desktop/Front, Desktop/Rear, Ceiling/Front, Ceiling/Rear
Dimensions 7.4 (W)
4.4 (H)
13.3 (D)
187mm (W)
113mm (H)
337mm (D)
(not including protrusions)
Net Weight 6.6 lbs / 3.0 kg
Environmental Considerations
Operational Temperatures: 41°F to 95°F (5°C to 35°C), 20% to 80% humidity
(non-condensing)
Storage Temperatures: 14°F to 122°F (-10°C to 50°C), 20% to 80% humidity
(non-condensing)
Regulations UL/C-UL (UL 60950, CSA 60950)
Meets DOC Canada...

E-55
Unit = inch/mm
9. APPENDIX
Cabinet Dimensions
9. APPENDIX
PC CONTROL
COMPONENT IN COMPUTER IN
VIDEO IN AUDIO IN
S-VIDEO INR Cr/Pr Cb/Pb
Y
L
AUDIO IN
AC IN
LAMP
STATUS
POWER
AUTO
ADJ.ON/STAND BYSELECT
FOCUS
LENS SHIFTDOWN
UP
SOURCE
2.07/52.5 7.36/187.0
0.33/8.5 13.27/337.0 3.11/79.05.24/133.2
4.4/113.0 

E-56
510154 3 2 19 8 7 6
14 13 12 11
9. APPENDIX
Pin Assignments of COMPUTER IN (D-Sub RGB) Connector
Mini D-Sub 15 Pin Connector
Signal Level
Video signal : 0.7Vp-p (Analog)
Sync signal : TTL levelPin No. RGB Signal (Analog) YCbCr Signal
1Red Cr
2Green or Sync on Green Y3Blue Cb4Ground
5Ground6Red Ground Cr Ground7Green Ground Y Ground
8Blue Ground Cb Ground9No Connection10 Sync Signal Ground
11 SCART Sync12 Bi-directional DATA (SDA)13 Horizontal Sync or Composite Sync
14 Vertical Sync
15 Data Clock 

E-57
9. APPENDIX
Function Code Data
POWER ON 02H 00H 00H 00H 00H 02H
POWER OFF 02H 01H 00H 00H 00H 03H
INPUT SELECT COMPUTER 02H 03H 00H 00H 02H 01H 01H 09H
INPUT SELECT COMPONENT 02H 03H 00H 00H 02H 01H 11H 19H
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
Cable Connection
Communication...

E-58
9. APPENDIX
Compatible Input Signal List
Horizontal: 15 kHz to 100 kHz (RGB: 24 kHz or over)
Vertical: 50 Hz to 85 Hz
Signal
NTSC
PA LPAL60SECAM
VESAIBMMAC
MACMACVESA
VESAIBMVESA
VESAVESAVESA
VESAVESAMAC
VESAVESAMAC
VESAVESAVESA
SUNVESAVESA
MACSXGA+SDTV(480p)(525p)
SDTV(576p)(625p)HDTV (1080i)(1125i)HDTV (1080i)(1125i)
HDTV (720p)(750p)HDTV (720p)(750p)DVD YCbCr
DVD YCbCrRefresh Rate
( Hz )60
506050
59.946060
66.6766.6772.81
757585.01
56.2560.3272.19
7585.0674.55
6070.0774.93
75.038575
65.956060.02...

E-59
No image is displayed from your PC or video equipment to the
projector.
Still no image even though you connect the projector to the PC
first, then start the PC.
Enabling your notebook PC’s signal output to the projector.
•A combination of function keys will enable/disable the ex-
ternal display. Usually, the combination of the “Fn” key along
with one of the 12 function keys turns the external display
on or off.
No image (blue background, logo, no display).
Still no image even though you press the...