Overlaying projection

Toshiba TLP780U TLP781U owner manual Overlaying projection

TLP780U TLP781U specifications

Models: TLP780U TLP781U

Remote control

Preparation

is projected onto the screen.

imagingDocument camera

CONTENTS

You can draw figures or write with a pen on the picture of RGB input or video input, by using the overlay function.

2	INPUT		ON/STANDBY
		LASER
	KEYSTONE	AUTO	SET

L-CLICKR-CLICK

1Project a picture on the screen as explained in the step “Picture projection with the document imaging camera”. 56

2Prepare white paper and a red or blue pen.

1	Set the white paper on a flat surface
	and set the camera so that the paper

Adjust the camera to make the white paper be projected on the wholescreen.

VOLUME/ADJUST

Camera control panel

MENU ENTER EXIT

PIP	FREEZE			W.BALANCE OVERLAY			ARM LIGHT	3
				LOCK
CALL	RESIZE
CALL	MUTE
					CAMERA		CAMERA
					GAIN		CAMERA
		Control panel
		(Main unit side)
				ON / STANDBY
			P	T
		ON	LAM	EMP	F
		ON			AN
		R			EXI
	TE				EXI
	EN				T
	U				A
	U				UT
	N				O	S
	E					S
	M					ET
							K

INPUT

OVERLAY

RGB picture

Select the input source using the overlay function by pressing INPUT.

Select an input source other than the camera input.

Press OVERLAY.

Draw any line on the paper with a red or Screen blue pen.

A drawn line is projected on the screen, overlapped with the picture of the input source.

Paper The position of a pen point can be confirmed on the screen before drawing anything.

						E
			U	T		Y
				T		S
	N	P				T
I		P				O
						N
					VOL / ADJ	E
					VOL / ADJ

Notes

•Handwriting in colors other than blue or red cannot be displayed properly.

•Handwriting in fine lines may not be displayed properly.

The Toshiba TLP780U and TLP781U are opto-isolators designed to provide excellent performance in various applications, ensuring high levels of electrical isolation between input and output circuits. These devices are part of Toshiba's extensive portfolio of opto-couplers, which leverage advanced technologies to meet the demands of modern electronic systems.

One of the most notable features of the TLP780U and TLP781U is their high isolation voltage, which is rated up to 5000Vrms. This is particularly important in applications where safety and protection of sensitive components from high voltages are crucial. By providing robust electrical isolation, these opto-isolators help in preventing damage from voltage spikes and interference.

Both the TLP780U and TLP781U utilize a high-speed GaAlAs infrared LED as the light source, coupled with a phototransistor on the output side. This configuration enables rapid data transmission, making these devices suitable for high-speed applications. The TLP780U boasts a high-speed variant, while the TLP781U is designed for lower-speed requirements, offering flexibility depending on the application's needs.

In terms of package design, the TLP780U and TLP781U come in a compact and reliable DIP (Dual In-line Package) configuration. This allows for easy integration into printed circuit boards (PCBs), while also ensuring stable performance in various operational environments. Their compact size is particularly beneficial in space-constrained applications.

Another important characteristic of these devices is their wide operating temperature range, from -40°C to 100°C. This wide range ensures reliable operation in diverse environments, making them suitable for industrial, automotive, and consumer applications. This reliability is further enhanced by the devices' long operational lifespan, reducing the need for frequent replacements.

In summary, the Toshiba TLP780U and TLP781U opto-isolators deliver essential electrical isolation, high-speed performance, and versatile operational capabilities. Their combination of advanced technologies and robust features positions them as ideal solutions for interfacing circuits, signal isolation, and data transmission in various industries. Whether for safety-critical systems or general signal processing, these opto-isolators provide the performance and reliability needed in today's electronic designs.

Adjust the gain with CAMERA GAIN (+/-) so

that the overlaying picture is displayed clearly.