STV-028 - Video projector Steren - Free user manual and instructions

Product Type	Video Projector
Brand	Steren
Model	STV-028
Resolution	800 x 600 pixels (SVGA)
Brightness	2000 lumens
Contrast Ratio	2000:1
Lamp Life	Up to 5000 hours (Eco mode)
Keystone Correction	Vertical ±15°
Inputs	HDMI, VGA, Composite, USB
Audio Output	3.5mm headphone jack, built-in speaker (2W)
Zoom Ratio	1.1x manual
Projection Distance	1.5m – 10m
Screen Size	60 – 200 inches diagonal
Aspect Ratio	4:3 (native), 16:9 compatible
Power Supply	AC 100-240V, 50/60Hz
Power Consumption	240W (normal), <1W standby
Dimensions (W x D x H)	31 x 24 x 8 cm
Weight	2.5 kg
Operating Temperature	0°C – 40°C
Cleaning	Use a soft, dry cloth; do not use solvents.
Filter Maintenance	Clean the air filter every 100 hours of use.
Warranty	1 year (depending on region)

Frequently Asked Questions - STV-028 Steren

How do I turn on the Steren STV-028 projector?

Connect the power cable and press the Power button on the projector or remote control. The indicator light will turn green when ready.

What resolution does the STV-028 support?

The native resolution is 800x600 pixels (SVGA). It can accept signals up to 1080p but will downscale them.

How do I connect my laptop to the projector?

Use an HDMI or VGA cable to connect your laptop to the corresponding input on the projector. Then select the correct source via the Source button.

Why is the image blurry?

Adjust the focus ring on the lens for sharpness. Also make sure the projector is at the correct distance from the screen (see manual for recommended distances).

How do I clean the projector lens?

Use a soft, lint-free cloth slightly dampened with lens cleaner. Gently wipe in a circular motion. Never use paper towels or harsh chemicals.

How often should I replace the lamp?

The lamp lasts up to 5000 hours in Eco mode. When the lamp indicator lights up, replace it with a compatible Steren lamp.

Can I use a USB drive to play media?

Yes, the USB port allows you to play video, photo, and audio files directly from a USB flash drive. Supported formats: MP4, AVI, JPEG, MP3.

How do I adjust the keystone effect?

Press the Keystone button on the remote, then use the arrow keys to correct vertical distortion. The adjustment range is ±15°.

No sound is coming from the projector. What should I do?

Check that the audio source is turned up and the projector is not muted. If using external speakers, ensure they are plugged into the audio out jack.

How do I reset the projector to factory settings?

Go to the menu, select System Setup > Reset All. Confirm with Yes. This will erase all custom settings.

USER MANUAL STV-028 Steren

Technical line drawing of a mechanical assembly with bolts and a central conical component (no text or symbols)

ESPECIFICACIONES

STEREN PRODUCTO EMPACADO S.A. DE C.V.

Autopista México-Querétaro, Km 26.5, sin número, Nave Industrial 3-A, col. Lomas de Boulevares, Tlalnepantla de Baz, Estado de México, C.P. S4020, RFC: SPE-941215-H43