Panasonic Projector PT-DS20KU User Manual

Setting up
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Getting Started
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.
▶■Formula to calculate projection distance per projection lens (for PT-DZ21KU)
Projection lens Throw ratio Aspect ratioProjection distance (L) formula
Zoom Lens ET-D75LE1
1.4 to 1.8:1 16:10
Min. (LW)
L = 1.1732 x SD (m) – 0.0760
Max. (LT) L = 1.5709 x SD (m) – 0.1004
1.4 to 1.8:1 16:9 Min....

Setting up
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Getting Started
Projection lens Throw ratio Aspect ratioProjection distance (L) formula
Zoom Lens ET-D75LE40 4.6 to 7.4:1 16:10
Min. (LW)
L = 3.9528 x SD (m) – 0.1577
Max. (LT) L = 6.3031 x SD (m) – 0.1615
4.6 to 7.4:1 16:9 Min. (LW)
L = 4.0630 x SD (m) – 0.1577
Max. (LT) L = 6.4764 x SD (m) – 0.1615
5.5 to 8.9:1 4:3 Min. (LW)
L = 4.4764 x SD (m) – 0.1577
Max. (LT) L = 7.1339 x SD (m) – 0.1615
Fixed-Focus  Lens ET-D75LE5
0.7:1 16:10
—L = 0.6063 x SD (m) – 0.0835
0.7:1 16:9
— L =...

Setting up
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Getting Started
▶■Formula to calculate projection distance per projection lens (for 
PT
-DW17KU)
Projection lens Throw ratio Aspect ratio Projection distance (L) formula
Zoom Lens ET-D75LE1
1.5 to 2.0:1 16:9
Min. (LW)
L = 1.3504 x SD (m) – 0.0760
Max. (LT) L = 1.8031 x SD (m) – 0.1004
2.0 to 2.7:1 4:3 Min. (LW)
L = 1.6496 x SD (m) – 0.0760
Max. (LT) L = 2.2047 x SD (m) – 0.1004
ET-D75LE2 2.1 to 3.1:1 16:9
Min. (LW)
L = 1.8110 x SD (m) – 0.0795
Max. (LT) L = 2.7126 x SD (m) –...

Setting up
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Getting Started
Adjusting adjustable feet
Install the projector on a flat surface so that the front of the projector is parallel to the screen surface and the 
projection screen is rectangular.
If the screen is tilted downward, the projection screen can be adjusted to be rectangular by adjusting the 
adjustable feet. The adjustable feet can also be used to adjust the projector to be level when it is tilted in a 
horizontal direction.
Extend the adjustable feet by rotating in the...

Attaching/removing the projection lens (optional accessory)
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Getting Started
Attaching/removing the projection lens (optional accessory)
Attaching the projection lens
1) Remove the projection lens cover.
▶zWhile grasp the right and left buttons from 
vertical and horizontal directions, pull the lens 
cover to remove.
2) Insert by aligning the projection lens 
(orange) mark with the mark on the 
projector body (a circle to the left 
of LOCK) and turn clockwise until it 
clicks.
3) Secure the...

Connecting
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Getting Started
Before connecting
 zBefore connecting, carefully read the operating instructions for the external device to be connected.
 zT

urn off the power of all devices before connecting cables.
 z 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.
 z V

ideo signals containing too much jitter may cause the images on the screen to randomly wobble or wafture. In...

Connecting
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Getting Started
▶■ terminal pin assignments and signal names
Outside view Pin 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 data 1+ (22)T.M.D.S clock shield
(11) T.M.D.S data 1/3 shield (23)T.M.D.S...

Connecting
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Getting Started
▶■For / terminals (for PT-DZ21KU and PT-DS20KU only)
+6,VLJQDORU
66,VLJQDO
LJLWDO9&5IRUFRPPHUFLDOXVH
Note
 zUse [SYSTEM SELECT

OR] (
 page 72) to switch the input format.
 zSome external devices to be connected require [SDI IN] ( page 97) to be set.
 zUse a 5CFB or higher (such as 5CFB, or 7CFB) or a Belden 1694A

 or higher connection cable to properly 
transmit images. Use a connection cable of 100 m (328'1") length or less.
 z T

o enter...

Connecting
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Getting Started
Connecting example: Computers
The following diagram is a connecting example for PT-DZ21KU and PT-DS20KU.
&RPSXWHUIRUFRQWURO&RPSXWHU &RPSXWHU&RPSXWHU
&RPSXWHU
Note
 z
The  terminal supports single links only

.
 zFor signals that the projector can project, refer to “List of compatible signals” ( page 174).
 zIf you operate the projector using the computer with the resume feature (last memory), you may have to reset 
the resume feature to operate the projector

....

Switching on/off the projector
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Basic Operation
Switching on/off the projector
Connecting the power cord
Make sure that the supplied power cord is fully inserted into the projector to prevent removal of the 
power cord.
Confirm that the  switch is on the  side before connecting the power cord.
For detailed power cord handling, refer to “Read this first!” (
 pages 2 to 10).
▶■To attach the power cord
1) Check the shapes of the  
terminal and the power cord connector 
and insert the plug...