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Introduction
226ViewSonic Pro9500
Tentative terms for the two projectors
For better understanding of the descriptions in this
manual, the following terms are used when explain-
ing the vertical stacking installation.
Set A : Projector placed underneath
Set B : Projector placed on top of Set A
Set
A
Set
B
Installation styles
Following are two styles to install the projectors. Instant Stack supports both
styles.
Style 1 : Stack vertically
Style 2 : Arrange side by side
The descriptions in this manual are mainly on Style 1 installation. If you wish to
install two projectors in Style 2, refer to the descriptions required in this manual.
1.3 Basic information and preparations
Instant Stack
Instant Stack is a feature that allows you to superimpose images projected from
two projectors easily. This projector is designed to provide this feature, with func-
tions to install two projectors and superimpose the images.
Intellectual Stack and Simple Stack
Instant Stack includes the following two features.
When two projectors are connected via an RS-232C cable with necessary set-
tings performed on the projectors, these two projectors will automatically operate
in synchronization with each other according to the settings. This is known as
Intellectual Stack in this manual.
The two projectors operate individually without the RS-232C connection. This is
known as Simple Stack in this manual.
Remote control for Intellectual Stack and Simple Stack
For Intellectual Stack, one projector is set as Main and the other is set as Sub.
Only the Main projector is capable of receiving the remote control signals. To op-
erate the Sub projector, you need to point the remote control at the Main projector.
For Simple Stack, both projectors can receive the remote control signals. To
avoid crosstalk when operating with the remote control, it is recommended to
operate one projector with the remote control and the other with the control panel
on the projector or a wired remote control. In this case, disable the remote control
receiving on the other projector with the KEY LOCK feature. (Operating Guide →
OPTION menu)