Panasonic DLP Projector PT-DW740E PT-DW740EL PT-DX810E PT-DX810EL Operating Instructions

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Chapter 2 Getting Started — Setting up
For PT-DX810E
r
r When the screen aspect is 4:3 (unit: m) 
(The dimensions of the following table contain slight error.)
Lens type
Standard zoom lens Optional lens
Fixed- focus  lens Ultra-short focus 
zoom lens Short focus zoom 
lens Medium focus zoom 
lens
Projection lens Model No. ―ET-DLE055 ET-DLE080/
ET-DLE085 ET-DLE150
ET-DLE250
Throw ratio
*1  1.8 – 2.5:10.8:10.8 – 1.0:1 1.3 – 2.0:12.4 – 3.7:1
Projection screen size Projection distance (L)
Screen...

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Chapter 2 Getting Started — Setting up
r
r When the screen aspect is 16:9 (unit: m) 
(The dimensions of the following table contain slight error.)
Lens type
Standard zoom lens Optional lens
Fixed- focus  lens Ultra-short focus 
zoom lens Short focus zoom 
lens Medium focus zoom 
lens
Projection lens Model No. ―ET-DLE055 ET-DLE080/
ET-DLE085 ET-DLE150
ET-DLE250
Throw ratio
*1  1.8 – 2.5:10.8:10.8 – 1.0:1 1.3 – 2.0:12.4 – 3.8:1
Projection screen size Projection distance (L)
Screen diagonal...

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Chapter 2 Getting Started — Setting up
Projection distance formulas by projection lens 
To use a screen size not listed in this manual, check the screen size SD and use the following formula to calculate projection distance.
The unit of the calculation result is m.
For PT-DW740E
Lens typeProjection lens Model No.Aspect ratio Projection distance (L) formula
Standard zoom lens ―16:10
Min. (LW)
L = 1.5669  x SD (m) – 0.0746
Max. (LT) L = 2.1850  x SD (m) – 0.0725
16:9 Min. (LW)
L = 1.6102  x SD...

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Chapter 2 Getting Started — Setting up
Lens typeProjection lens Model No.Aspect ratio Projection distance (L) formula
Ultra-short focus zoom  lens ET-DLE080/ET-DLE085 4:3
Min. (LW)
L = 0.6693  x SD (m) – 0.0471
Max. (LT) L = 0.8307  x SD (m) – 0.0442
16:9 Min. (LW)
L = 0.7323  x SD (m) – 0.0471
Max. (LT) L = 0.9055  x SD (m) – 0.0442
Short focus zoom lens ET-DLE1504:3
Min. (LW)
L = 1.1024  x SD (m) – 0.0540
Max. (LT) L = 1.5866  x SD (m) – 0.0498
16:9 Min. (LW)
L = 1.2008  x SD (m) – 0.0540...

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Chapter 2 Getting Started — Removing/attaching the projection lens
Removing/attaching the projection lens
Attach and remove the projection lens in the same way as a standard zoom\
 lens and optional accessories.
Move the projection lens to the home position before replacing or removing the lens (
x page 46).
Attention
r
f Replace the projection lens after turning off the power of the projector.
r
f Do not touch the lens signal receiver. Dust or dirt may cause defective contact.
r
f Do not...

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Chapter 2 Getting Started — Removing/attaching the projection lens
3) Attach the projection lens cover aligning the 
marking (groove *1) with the tip of the arrow 
on the projector (*2), and secure the projection 
lens cover by turning it until groove *1 aligns 
with the *3 P marking.



(i)
(ii)
Projection lens cover
Attention
r
f Turn the projection lens counterclockwise to confirm that it does not come out.  

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Chapter 2 Getting Started — Connections
Connections
Before connecting to the projector
r
f Before connecting, carefully read the operating instructions for the external device to be connected.
r
f Turn off the power of all devices before connecting cables.
r
f Acquire any connection cable necessary to connect the external device to the system that is either not supplied with the device or not 
available as an option.
r
f Video signals containing too much jitter may cause the images on the...

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Chapter 2 Getting Started — Connections
Connecting example: AV equipment
VCR (with built-in  TBC)
DVD player with attached 
HDMI terminal (HDCP )
or
Blu-ray disc player
Attention
r
f Always use one of the following when connecting a VCR.
r
g A VCR with built-in time base corrector (TBC)
r
g A time base corrector (TBC) between the projector and the VCR
r
f If nonstandard burst signals are connected, the image may be distorted. In such case, connect the time base corrector (TBC) between the...

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Chapter 2 Getting Started — Connections
r
f The  terminal of the projector can be connected to an external device with a DVI-D terminal by using an HDMI/DVI conversion 
cable, but some devices may not project the image properly or function p\
roperly.
r
f The  terminal supports single link only.
r
f For signals that the projector can project, refer to “List of compatible signals” (
x page 125).
r
f If you operate the projector using the computer with the resume feature (last memory), you may...

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Chapter 3 Basic Operation
This chapter describes basic operations to start with.