User Manual for the Chuyka 4.0 Drone Detector | BlueBird Tech (https://www.blue-bird.tech/en/instructions/user-manual-for-the-chuyka-4-0-drone-detector/)
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L106: cite1†Continue shopping L107: # User Manual for the Chuyka 4.0 Drone Detector
L108: 
L109: cite38†Image: "Chuyka 4.0"  L110: 
L111: Instructions for
L112: 
L113: ### "Chuyka 4.0"
L114: 
L115: Download the manual to learn how to prepare the "Chuyka 4.0" for operation, connect antennas correctly, use detection modes, and follow safe operating recommendations.
L116: 
L117: cite39†Download pdf L118: ## Frequently asked questions
L119: 
L120: What is the exact name of the device?
L121: 
L122: The device is called the RESD “Chuyka 4.0” (radio-electronic surveillance device).
L123: 
L124: 
L125: 
L126: What is the "Chuyka 4.0" designed for?
L127: 
L128: The device is designed to detect analog video signal sources — FPV drones, UAVs, ground robotic systems, flying-wing aircraft, and other equipment operating on analog video transmitters.
L129: 
L130: 
L131: 
L132: How many bands does the device operate in?
L133: The device scans 4 bands: 1.2, 3.3, 5.8, and 8.8 (in the current version — 1080–2200, 2860–4500, 4860–6040, and 6040–8800 MHz).
L134: 
L135: 
L136: 
L137: At what distance can the device detect a signal?
L138: 
L139: Depending on the band, detection range is 3000 to 4000 m at a video transmitter power of 4W with no obstruction in the first Fresnel zone; actual range depends on the antenna type used.
L140: 
L141: 
L142: 
L143: What is the device's scan speed and step?
L144: 
L145: Scan speed is 4–8 seconds, and the scan step is no more than 10 MHz across all bands.
L146: What power source does the "Chuyka 4.0" use?
L147: 
L148: The device runs on two 21700 cells rated at 5000 mAh in a 2S configuration, with an operating voltage range of 6.4–8.4V.
L149: 
L150: 
L151: 
L152: How long does the device run on its built-in battery?
L153: 
L154: The built-in battery provides up to 2 hours of operation.
L155: 
L156: 
L157: 
L158: Can the device's runtime be extended?
L159: 
L160: Yes, using an additional battery pack built on 4 x 21700 cells (5000 mAh, 2S2P), which adds up to 4 more hours of operation — up to 6 hours total.
L161: What material is the device housing made of?
L162: 
L163: The housing is made of PETG plastic.
L164: 
L165: 
L166: 
L167: What ingress protection rating does the device have?
L168: 
L169: The device has an IP54 housing protection rating.
L170: 
L171: 
L172: 
L173: How many antenna connectors does the device have?
L174: 
L175: The housing has 4 antenna connectors — one for each scanning band.
L176: 
L177: 
L178: 
L179: What is included in the package?
L180: The package includes the “Chuyka 4.0” unit, a built-in battery, 4 antennas, a USB Type-C charging cable, an additional battery, a cable for connecting the additional battery (XT30), a car power cable (XT60), and a user manual.
L181: 
L182: 
L183: 
L184: How does the device signal a detected signal?
L185: 
L186: The device emits a sound signal accompanied by light indication; the sound can be turned off with the Mute button, while the light indication remains active.
L187: 
L188: 
L189: 
L190: What is shown on the small screen?
L191: The small screen shows the number of detected signals, a band histogram, frequencies and channels of active signals, battery charge, and the current button assignments.
L192: 
L193: 
L194: 
L195: What is the large screen used for?
L196: 
L197: The large screen is used to view the intercepted video signal; the device also has a video output for connecting an external screen.
L198: 
L199: 
L200: 
L201: How do you view detected channels?
L202: Press the Monitor button on the main screen — in this mode you can switch between channels using Up/Down and see the frequency, channel number, signal level, and RSSI.
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L204: 
L205: 
L206: Does the device scan a band while viewing video in Monitor mode?
L207: 
L208: No, while viewing a channel from a specific band, scanning of that band is temporarily paused (for example, when viewing a channel in the 5.8 GHz band, scanning continues only on the 1.3 and 3.3 GHz bands).
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L210: 
L211: 
L212: What does the "A" label next to a band mean?
L213: The “A” label indicates Auto mode, in which the device automatically adjusts the detection threshold based on the current noise level in the air.
L214: 
L215: 
L216: 
L217: What does the "V" label next to a band mean?
L218: 
L219: The “V” label (Video Only / VD Only) means the device reacts only to signals with analog video characteristics, ignoring other interference sources (GSM, Wi-Fi, EW jamming, etc.).
L220: 
L221: 
L222: 
L223: What does the "X/D" label next to a band mean?
L224: 
L225: The “X/D” label means the band is disabled and does not participate in scanning.
L226: 
L227: 
L228: What is the recommended threshold value for manual mode?
L229: 
L230: The recommended value for manual mode is 10–15%.
L231: 
L232: 
L233: 
L234: What is the INV-V function for?
L235: 
L236: INV-V enables video inversion for the selected channel — used when the device detects a signal but the video isn’t displayed correctly due to a scrambler.
L237: 
L238: 
L239: 
L240: How do you add a channel to the blacklist?
L241: A channel is added to the blacklist for 10 minutes using the Alt+(+10m) combination; each additional press adds another 10 minutes, and holding the combination longer removes the channel from the blacklist.
L242: 
L243: 
L244: 
L245: How do you update the device's firmware?
L246: 
L247: Create a mobile hotspot named “update” with the password “update123,” then go to the OTA update menu on the device and download the Stable, Current, or Beta version.
L248: 
L249: 
L250: 
L251: What if the current firmware version doesn't work well after an update?
L252: You can revert to a previous version via Menu → Settings → Switch Firmware, selecting the desired version and pressing Boot — the device can store 2 to 5 firmware versions.
L253: 
L254: 
L255: 
L256: What cooling control modes are available?
L257: 
L258: Available modes are On (fan always on, default), Off (fan off), and Auto (automatic fan control, available on board version 1.3.7 and above).
L259: 
L260: 
L261: 
L262: What happens at a critical battery level?
L263: 
L264: At 6.4V, the device displays a Critical Battery message and enters sleep mode 10 seconds later.
L265: Can the device be fully powered off using an on-screen button?
L266: 
L267: No, the device can only be fully powered off using the switch on the bottom of the housing — this is necessary to prevent excessive battery over-discharge.
L268: 
L269: 
L270: 
L271: How long can the device be stored without recharging?
L272: 
L273: For long-term storage, the device should be recharged at least once every 3 weeks.
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