NEC Lt75z Micro-portable Projector Users Manual

E-35
Setup
Page1 Page2 Page3 Page4
Default Source Select
Communication SpeedSelect
19200bps
Control Panel Key LockClear Lamp Hour Meter
Default Source RGB
Unlocked
To lock the cabinet buttons:
1) Use the Select 
 or  button to select “Control Panel Key
Lock”  and press the ENTER button. The submenu will be
displayed.
2) Use the Select 
 or  button to select “Lock” and press the
ENTER button. The following confirmation screen will be dis-
played.
3) Use the Select 
 or  button to select “Ye s” and...

E-36
This section describes the simple maintenance procedures you
should follow to replace the lamp.
Replacing the Lamp
After your lamp has been operating for 1000 hours (1500 hours:
Eco mode) or longer, the “Status” indicator in the cabinet will
go on and the message will appear. Even though the lamp
may still be working, replace it at 1000 hours (1500 hours: Eco
mode) to maintain optimal projector performance.
CAUTION
•DO NOT TOUCH THE LAMP immediately after it has
been used. It will be extremely hot....

E-37
Power/Status Light Messages
Standby
Cooling down
Lamp in Normal mode
Lamp in Eco mode
Retrying to turn on lamp
One minute after lamp is turned
on
Lamp has reached its end of life
(Normal: 1000 hours or over)
(Eco: 1500 hours or over)
Lamp life has reached its end of
life
(Normal: 1100 hours or over)
(Eco: 1600 hours or over)
Lamp cover error
Temperature error
Fan error
Lamp error
Condition
Steady orange
Blinking green
Steady green
Steady green
Steady green
Blinking green
Steady green
Steady orange...

E-38
6. SPECIFICATIONS
This section provides technical information about the LT75Z Projectors performance
Model Number LT75Z
Optical
DMD™Single Chip Digital Micromirror Device(DMD™), 800
600 dots
Lens Manual Zoom, Manual focus: F2.6 – 2.8  f = 28.3 – 34.0 mm
Lamp 135W NSH lamp
(The lamp is warranted for 1000 hours of operation time within 6 months.)
Image Size 30 - 200 inches (0.8 - 5.1 m) diagonal
Projection Distance 4.13 - 32.97ft (1.26 - 10.05m)
Electrical
Inputs Video...

E-39
MENU
ENTERCANCEL
SELECTAUTO ADJUST
STATUSPOWER
ON /
STAND BYSOURCE
AC  IN ™
VIDEOS-VIDEO
RGB
AUDIO
PC CONTROL
Cabinet Dimensions
238 (9.4)
196 (7.7)
53 (2.1)
8 (0.31)Lens center
Lens center
Unit = mm (inch) 243 (9.6)
43.5 (1.7)
29.5
(1.16) 

E-40
51423
10
11 12 13 14 156 978
D-Sub Pin Assignments
Mini D-Sub 15 Pin Connector
Pin No. RGB Signal (Analog) YCbCr Signal
1Red 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 

E-41 #: 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 therefresh rate or resolution on your PC.  Refer to Display Properties help section of your PC for procedures.
NOTE3: UXGA (1600
1200) is supported for separate sync signal only.
Compatible Input Signal List
NTSC–15.734 60 -PA L–15.625 50...

E-42
1 2 54 36
7 8
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 PC Control Codes...

Printed in Japan
7N8P0691