Troubleshooting

If the receiver is not working as it should, the following suggestions might help you. If you follow the suggestions in this chart and the receiver still does not work properly, contact your local RadioShack store for assistance.

Problem		Cause				Solution


Power does not turn on.	•	Power cord is disconnected.	• Plug in the power cord.
	•	Protection circuit is activated.	• Unplug		the	power	cord,	then	plug	it	in
				again.

The receiver does not respond to	•	Static discharge has affected con-	• Unplug		the	power	cord,	then	plug	it	in
button presses.		trol.		again. (If static electricity is a problem, try
				to use the remote control as much as pos-
				sible.)

No sound.	•	Incorrect connections.	•	Check and correct the connections.
	•	The mute function is activated.	•	Press MUTING.
	•	The volume is turned down.	•	Turn up the volume.
	•	Speaker wires are disconnected.	•	Connect the speaker wires.
	•	Neither set of speakers is selected.	•	Press in SPEAKERS A or B.

No picture when you select a video	•	The selected video source is not	• Correct		the	problem with the			selected
source.		set correctly.		video source.
	•	Incorrect connections.	•	Correct the connections.

High noise level.	•	Station not correctly tuned.	•	Tune to a stronger station.
	•	Antenna not connected.	•	Connect the antenna.
	•	FM antenna still coiled or is not	•	Stretch both ends of the antenna taut and
		pointing in the correct direction.		reposition the antenna.
	•	AM loop antenna not pointing in	•	Adjust the AM loop antenna.
		the correct direction.
	•	Noise is coming from another elec-	•	Try using an AC line noise filter to reduce
		trical appliance.		the noise.

Tuning does not automatically stop	•	Stations are too weak.	•	Use a better antenna.
when searching for FM stations.

Cannot make copies of video tapes.	•	Tapes are protected by a copy	• You cannot make a good copy.
		restriction method.
	•	Video connections are incorrect.	•	Check and correct the connections.

Remote does not control cas-	•	Incompatible accessory.	•	Works with Optimus Professional Series.
sette deck or CD player.	•	Control cable is not plugged in.	•	Properly plug in the control cable.
	•	Control cable is not plugged in.	•	Properly plug in the control cable.
	•	Audio cables are not plugged in.	•	Properly plug in the audio cables.

Returning Controls to Factory Defaults

Press RETURN to return the controls to the following settings.

Tape 2 Monitor	Off

Source	TUNER

Speakers A	On

	FM or AM (Set to the last-tuned frequency. If the
Band	receiver cannot receive the frequency, it starts
	searching for the next strong station.)

Surround Mode	Off

Muting	Off

Super Bass	Off

STAV-3590 specifications

The Optimus STAV-3590 represents a cutting-edge advancement in the realm of autonomous vehicles. Designed with state-of-the-art technology and a focus on efficiency and safety, this model stands out as a leader in its class.

One of the main features of the Optimus STAV-3590 is its advanced autonomous driving capability. Utilizing a combination of LiDAR, camera systems, and radar, the STAV-3590 can navigate complex environments with precision and efficiency. These technologies allow the vehicle to generate a real-time 3D map of its surroundings, enabling it to detect obstacles, pedestrians, and other vehicles. The incorporation of machine learning algorithms means that the STAV-3590 continually improves its driving strategy over time, learning from each journey to enhance safety and operational efficiency.

The STAV-3590 also boasts an impressive energy efficiency profile. Equipped with a next-generation electric powertrain, it ensures a significant reduction in energy consumption compared to traditional combustion engines. The vehicle’s battery management system is designed to optimize energy use, allowing for longer ranges on a single charge while minimizing charging times.

Connectivity features are another standout characteristic of the Optimus STAV-3590. With built-in 5G and V2X (vehicle-to-everything) technology, the vehicle can communicate with other vehicles, infrastructure, and the cloud instantly. This connectivity enhances safety by allowing the STAV-3590 to receive real-time traffic updates and environmental information, giving it the ability to adjust its routes proactively.

Safety remains paramount in the design of the Optimus STAV-3590. It is equipped with multiple redundancies in critical systems to ensure reliability. Advanced driver-assistance systems (ADAS) provide features such as adaptive cruise control, lane-keeping assistance, and emergency braking. These systems work in tandem with the autonomous capabilities to create a safer driving experience for passengers and other road users.

In summary, the Optimus STAV-3590 integrates advanced autonomous technology, superior energy efficiency, robust connectivity features, and a focus on safety. As a result, it’s not just a vehicle; it's a glimpse into the future of transportation, paving the way for the next generation of smart mobility solutions.

Optimus STAV-3590 owner manual Troubleshooting, Returning Controls to Factory Defaults

Models: STAV-3590