Cobra ACXT390 Manual Parentah Radio Dua Arah

1. Bubuka

The Cobra ACXT390 Walkie Talkies are compact and lightweight two-way radios designed for reliable communication. They feature 22 channels and 121 privacy codes, offering a total of 2662 channel combinations to minimize interference. Equipped with a built-in NOAA radio receiver, these radios provide 24/7 access to weather alerts, ensuring preparedness for changing conditions. Voice-activated (VOX) transmission allows for hands-free operation, and five selectable call tones help distinguish between different parties.

This manual provides essential information for the proper setup, operation, and maintenance of your Cobra ACXT390 two-way radios.

2. Setélan

2.1 Eusi pakét

Before beginning, verify that all items are present in your package:

• 2x Cobra ACXT390 Walkie Talkies
• Klip Sabuk 2x
• 6x AA NiMH Rechargeable Batteries
• 1x Dock ngecas
• 1x USB-Y Cable

Figure 1: Cobra ACXT390 Package Contents

2.2 Pamasangan batré

Your Cobra ACXT390 radios use 3 AA NiMH rechargeable batteries per unit. To install or replace batteries:

1. Pastikeun radiona pareum.
2. Teangan tempat panutup kompartemen batré dina tonggong radio.
3. Press down on the release tab (if present) and slide the cover off.
4. Insert 3 AA NiMH batteries, observing the correct polarity (+/-) as indicated inside the compartment.
5. Ganti panutup kompartemen batré, mastikeun eta clicks aman kana tempatna.

2.3 Charging the Radios

The included charging dock and USB-Y cable allow you to recharge the NiMH batteries while they are inside the radios.

1. Connect the USB-Y cable to the charging dock and a compatible USB power source (e.g., wall adapter, computer USB port).
2. Place the radios into the charging slots on the dock. Ensure the charging contacts on the radio align with those on the dock.
3. A charging indicator light on the radio or dock will illuminate, indicating that charging has begun.
4. Allow sufficient time for a full charge (refer to the full user manual for specific charging times).

3. Operasi

3.1 Daya Hurung/Pareuman

Pikeun ngahurungkeun radio, pencét terus tahan tombol Kakuatan tombol nepi ka layar hurung. Pikeun mareuman, pencét terus tahan Kakuatan pencét tombol deui dugi ka tampilan pareum.

3.2 Pamilihan Saluran

Your ACXT390 radios offer 22 channels. To change channels:

1. Pencét éta Modus button until the channel number flashes on the display.
2. Ngagunakeun éta Up or Turun tombol panah pikeun milih saluran anu dipikahoyong.
3. Pencét éta Modus pencét tombol deui atanapi antosan sababaraha detik dugi pilihan dikonfirmasi.

3.3 Kodeu Privasi (CTCSS/DCS)

The radios support 121 privacy codes (38 CTCSS / 83 DCS) to help reduce interference from other users on the same channel.

1. Saatos milih saluran, pencét Modus button until the privacy code number flashes.
2. Ngagunakeun éta Up or Turun tombol panah pikeun milih kode privasi anu dipikahoyong.
3. Pencét éta Modus button again or wait for the selection to be confirmed.

3.4 Volume adjustment

Ngagunakeun éta Volume Up jeung Volume Turun buttons (often integrated with the channel buttons) to adjust the listening volume.

3.5 Nepikeun jeung Narima

Pikeun ngirimkeun, pencét jeung tahan tombol Omongan button (usually on the side of the radio) and speak clearly into the microphone. Release the Omongan tombol pikeun nampa.

3.6 VOX (Transmisi anu Diaktipkeun ku Sora)

VOX allows for hands-free communication. When activated, the radio will automatically transmit when it detects your voice.

Figure 2: VOX, Call Tones, and Channel Scan Features

3.7 Nada Telepon

The ACXT390 features 5 selectable call tones. To send a call tone, briefly press the Nelepon button. This alerts other radios on the same channel to an incoming transmission.

3.8 Saluran Scan

The channel scan feature allows you to automatically scan all 22 channels for activity. To activate, press the Nyeken button. The radio will stop on any active channel. Press Nyeken again to resume scanning.

3.9 Saluran Cuaca NOAA

Access 24/7 NOAA weather channels to stay informed about local weather conditions and emergencies. To access, press the dedicated Hawa button (if available) or cycle through modes until the weather channel is displayed.

Figure 3: Weather-Resistant Design and NOAA Weather Channels

3.10 Understanding Range

The advertised range of up to 25 miles is achieved under ideal conditions, such as flat, open terrain with a clear line of sight and no obstructions. In real-world scenarios, the effective range can be significantly shorter due to various factors:

• Urban Environments: Buildings and other structures can reduce the range to approximately 0.5 to 1.5 miles.
• Forested or Hilly Areas: Dense foliage and uneven terrain can further limit the range, often to less than a mile.
• Kaayaan cuaca: Atmospheric conditions can impact signal propagation.

Figure 4: Walkie Talkie Range Explained

4. Pangropéa

4.1 Perawatan Umum

• Ngabersihkeun radio ku hipu, damp lawon. Ulah make cleaners abrasive atawa pangleyur.
• Avoid exposing the radio to extreme temperatures, humidity, or direct sunlight for extended periods.
• The radios are weather-resistant (IPX2), meaning they can withstand light splashes, but are not designed for submersion.

4.2 Perawatan Batré

• Always use the included rechargeable NiMH batteries and charging dock for optimal performance and safety.
• If storing the radios for an extended period, remove the batteries to prevent leakage.
• Buang batré heubeul kalawan tanggung jawab nurutkeun peraturan lokal.

5. Cara ngungkulan

5.1 Taya Daya

• Check if the batteries are correctly installed and fully charged.
• Ensure the power button is pressed and held until the display turns on.

5.2 Poor Range or Static

• Verify that both radios are on the same channel and privacy code.
• Move to an open area with fewer obstructions (buildings, dense foliage, hills).
• Ensure batteries are fully charged, as low power can affect range.
• Consider the environmental factors affecting usable range as explained in Section 3.10.

5.3 Cannot Transmit or Receive

• Pastikeun yén Omongan button is being pressed during transmission.
• Check if the radio is in VOX mode; if so, ensure you are speaking loud enough to activate transmission.
• Verify that the volume is set to an audible level.

6. Spésifikasi

7. Jaminan & Dukungan

Cobra products are USA engineered and supported, reflecting over 50 years of proven reliability. For detailed warranty information, product registration, or technical support, please visit the official Cobra Electronics websitus atanapi ngahubungan departemén layanan palanggan maranéhna.

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