SP 9090 P - Car Radio Positron - Free user manual and instructions
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| Product Type | Car Radio |
| Brand | Positron |
| Model | SP 9090 P |
| Chassis Size | 1-DIN (178 x 50 mm) |
| Weight | Approx. 0.7 kg |
| Power Supply | 12V DC, negative ground |
| Maximum Output Power | 4 x 45 watts |
| Tuner Bands | AM / FM |
| Audio Playback | CD, MP3, USB, AUX |
| Display | LCD with adjustable backlight |
| Connectivity | USB port, AUX input, ISO antenna connector |
| Controls | Rotary knobs, preset buttons, remote control included |
| Installation | In-dash mounting with standard ISO brackets |
| Operating Temperature | -10°C to +60°C |
| Fuse Rating | 10 A blade fuse |
| Maintenance & Cleaning | Wipe with a dry soft cloth; avoid solvents and water |
| Safety Features | Reverse power protection, short-circuit protection |
| Spare Parts Availability | Replacement faceplate, knobs, and wiring harness available |
| Repairability | Modular design; serviceable by qualified technicians |
| General Information | Compatible with 12V vehicles; includes mounting accessories |
Frequently Asked Questions - SP 9090 P Positron
How do I install the Positron SP 9090 P in my car?
Connect the ISO wiring harness to your vehicle's connector, attach the antenna plug, then slide the radio into the 1-DIN dashboard slot and secure with the provided mounting bolts.
What should I do if the radio has no sound?
Check the fader/balance settings, ensure the volume is not muted, and verify that the speaker wires are securely connected to the correct output terminals.
How can I set the FM radio presets?
Tune to the desired station, then press and hold one of the preset buttons (1-6) until the display flashes and beeps, confirming the station is stored.
Can I connect my smartphone to the radio?
Yes, use the AUX input with a 3.5mm cable or connect via USB for MP3 playback. This model does not support Bluetooth, so a wired connection is required.
How do I clean the radio's faceplate?
Dust the faceplate with a dry, soft microfiber cloth. For smudges, slightly dampen the cloth with water, but never spray liquid directly on the device.
What is the correct fuse rating for this car radio?
Use a 10 ampere blade fuse. Always replace with the same rating to avoid electrical damage.
Why does the radio stop working when the car engine starts?
This may be due to voltage drops. Ensure the power and ground wires are thick and securely connected to the car battery or an ignition-switched source.
Does the radio have a detachable faceplate for theft protection?
Yes, the faceplate is detachable. Press the release button to remove it, and carry it with you to deter theft. Store it in the provided protective case.
How do I reset the radio to factory settings?
Press and hold the reset button located near the faceplate release catch for a few seconds using a pointed object, such as a pen tip. This clears all custom settings.
Can I use this radio in a 24V truck?
No, the Positron SP 9090 P is designed for standard 12V negative-ground electrical systems. Using it with 24V could damage the device.
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USER MANUAL SP 9090 P Positron
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Product information
Brand : Positron
Model : SP 9090 P
Category : Car Radio