Panasonic DLP Projector PT-DZ780 PT-DW750 PT-DX820 Operating Instructions

Chapter 2 Getting Started — Setting up
ENGLISH - 41
 rWhen the image aspect ratio is 4:3
(Unit: m)
Lens type Standard zoom 
lens Optional lens
Fixed-focus lens Ultra short focus 
zoom lens Short focus zoom 
lens
Projection lens Model No. —ET
-

DLE030
*2ET-DLE055ET-DLE080/
ET- DLE085 ET-
DLE150
Throw ratio
*12.2-3.0:1 0.48:11.0:1 1.0 - 1.2:1 1.6 - 2.4:1
Projected image size Projection 
distance (L)
Projection  distance  (L1)Distance between projector and  screen Projection distance (L)
Diagonal (SD)...

Chapter 2 Getting Started — Setting up
42 - ENGLISH
For PT-DX820
 rWhen the image aspect ratio is 4:3
(Unit: m)
Lens type Standard zoom 
lens Optional lens
Fixed-focus lens Ultra short focus 
zoom lens Short focus zoom 
lens
Projection lens Model No. —ET
-

DLE030
*2ET-DLE055ET-DLE080/
ET- DLE085 ET-
DLE150
Throw ratio
*11.8-2.5:1 0.39:10.8:1 0.8 - 1.0:1 1.3 - 2.0:1
Projected image size Projection 
distance (L)
Projection  distance  (L1)Distance between projector and  screen Projection distance (L)...

Chapter 2 Getting Started — Setting up
ENGLISH - 43
 rWhen the image aspect ratio is 16:9
(Unit: m)
Lens type Standard zoom 
lens Optional lens
Fixed-focus lens Ultra short focus 
zoom lens Short focus zoom 
lens
Projection lens Model No. —ET
-

DLE030
*2ET-DLE055ET-DLE080/
ET- DLE085 ET-
DLE150
Throw ratio
*11.8-2.5:1 0.39:10.8:1 0.8 - 1.0:1 1.3 - 2.0:1
Projected image size Projection 
distance (L)
Projection  distance  (L1)Distance between projector and  screen Projection distance (L)
Diagonal (SD)...

Chapter 2 Getting Started — Setting up
44 - ENGLISH
Formula to calculate projection distance per projection lens
To use a projected image size not listed in this manual, check the projected image size SD (m) and use the 
respective formula to calculate projection distance.
The unit of all the formulae is m. (Values obtained by the following calculation formulae contain a slight error.)
When calculating a projection distance using image size designation (value in inches), multiply the value in inches 
by...

Chapter 2 Getting Started — Setting up
ENGLISH - 45
For PT-DW750
 rStandard zoom lens
Projection lens Model No. Throw ratio Aspect ratio Projection distance (L) formula
Min. (LW) Max. (LT)
― 1.8 - 2.5:1
16:10= 1.5651 x SD 
- 0.0746 = 2.1855 x SD - 0.0725
1.8 - 2.5:1 16:9= 1.6086 x SD 
- 0.0746 = 2.2462 x SD - 0.0725
2.2 - 3.0:1 4:3= 1.7715 x SD 
- 0.0746 = 2.4736 x SD - 0.0725
 rZoom lens
Projection lens Model No. Throw ratio Aspect ratio Projection distance (L) formula
Min. (LW) Max. (LT)
ET
-

DLE080/...

Chapter 2 Getting Started — Setting up
46 - ENGLISH
For PT-DX820
 rStandard zoom lens
Projection lens Model No. Throw ratio Aspect ratio Projection distance (L) formula
Min. (LW) Max. (LT)
― 1.8 - 2.5:1
16:9= 1.5875 x SD 
- 0.0746 = 2.2167 x SD - 0.0725
1.8 - 2.5:1 4:3= 1.4571 x SD 
- 0.0746 = 2.0346 x SD - 0.0725
 rZoom lens
Projection lens Model No. Throw ratio Aspect ratio Projection distance (L) formula
Min. (LW) Max. (LT)
ET
-

DLE080/
ET
-

DLE085 0.8 - 1.0:1
16:9= 0.7311 x SD 
- 0.0471 = 0.9051 x...

Chapter 2 Getting Started — Removing/attaching the projection lens
ENGLISH - 47
Removing/attaching the projection lens
Removing and attaching methods of the projection lens are same for both \
standard zoom lenses and optional 
lenses.
Move the projection lens to the home position before replacing or removing the projection lens. (x
  page   63)
Attention
 f Replace the projection lens after turning of f the projector. fDo not touch the electric contacts of the projection lens. Dust or dirt \
may cause...

Chapter 2 Getting Started — Removing/attaching the projection lens
48 - ENGLISH
1) Remove the lens mount cover, and align the projection lens guide to the guide groove of the projector 
and insert to the end. (Fig. 1)
2)
 
T
 urn the projection lens clockwise until it clicks. (Fig. 2)
3)
 
Attach the lens mount cover
 . (Fig. 3)
 fAlign the lens mount cover and the projector at the dashed line positions in the figure to attach, and turn the 
lens mount cover clockwise to fix it to the projector

....

Chapter 2 Getting Started — Connecting
ENGLISH - 49
Connecting
Before connecting
 fBefore connecting, carefully read the operating instructions for the external device to be connected.
 fT

urn off the power of all devices before connecting cables.
 fT

ake note of the following points before connecting the cables. Failure t\
o do so may result in malfunctions.
 g When connecting a cable to a device connected to the projector or the pr\
ojector itself, touch any nearby 
metallic objects to eliminate...

Chapter 2 Getting Started — Connecting
50 - ENGLISH
 terminal pin assignments and signal names
Outside viewPin No.Signal name Pin No.Signal name
(17)
(24)
(16)
(9)
(1)
(8)
(1) T.M.D.S data 2-(13) —
(2) T.M.D.S data 2+ (14)+5
  V
(3) T.M.D.S data 2/4 shield (15)GND
(4) —(16)Hot plug detection
(5) —(17)T.M.D.S data 0
-
(6) DDC clock (18)T.M.D.S data 0+
(7) DDC data (19)T.M.D.S data 0/5 shield
(8) —(20) —
(9) T.M.D.S data 1
-(21) —
(10) T.M.D.S clock1+ (22)T.M.D.S clock shield
(11) T.M.D.S data 1/3 shield...