COBRA ACXT645 Walkie Talkies User Manual

Table of Contents

1. Introduction
2. Package Contents
3. Getting Started
4. Operating Instructions
5. Troubleshooting Tips
6. Frequently Asked Questions

1. Introduction

Thank you for purchasing the COBRA ACXT645 Walkie Talkies. These water-resistant, rechargeable long-range two-way radios are designed to provide you with reliable communication during outdoor activities, emergencies, and more. With a range of up to 35 miles, built-in NOAA weather channels, and voice-activated transmission, these walkie talkies are perfect for staying connected and prepared in any situation.

2. Package Contents

• 2 x COBRA ACXT645 Walkie Talkies
• 6 x AA NiMH rechargeable batteries
• 1 x Micro-USB cable
• 1 x Two-port charging dock
• User manual

3. Getting Started

1. Insert the included rechargeable NiMH batteries into each walkie talkie, making sure to align the positive and negative terminals correctly.
2. Connect the micro-USB cable to the two-port charging dock and plug it into a power outlet.
3. Place the walkie talkies on the charging dock to charge the batteries. The LED indicator will show the charging status.
4. Once fully charged, remove the walkie talkies from the charging dock and turn them on by pressing the power button.

4. Operating Instructions

4.1 Basic Operation

1. Turn on the walkie talkie by pressing the power button. The display will show the current channel and battery level.
2. Select the desired channel by pressing the up or down buttons. Both walkie talkies must be set to the same channel to communicate.
3. To talk, press and hold the PTT (Push-To-Talk) button on the side of the walkie talkie and speak into the microphone. Release the button to listen for a response.
4. Adjust the volume using the up and down buttons.

4.2 Advanced Features

1. VOX (Voice-Activated Transmission): To enable VOX, press the menu button until the VOX icon appears on the display. Press the up or down buttons to select the desired sensitivity level (1-5). Press the PTT button to confirm your selection. To disable VOX, set the sensitivity level to 0.
2. VibrAlert: To enable VibrAlert, press the menu button until the vibrating bell icon appears on the display. Press the up or down buttons to toggle the feature on or off. Press the PTT button to confirm your selection.
3. NOAA Weather Channels: To access NOAA weather channels, press the menu button until the WX icon appears on the display. Press the up or down buttons to select the desired weather channel. Press the PTT button to confirm your selection.
4. Built-in LED Flashlight: To turn on the LED flashlight, press and hold the flashlight button on the top of the walkie talkie. Release the button to turn off the flashlight.

5. Troubleshooting Tips

• Problem: Walkie talkies are not communicating with each other.
  Solution: Ensure both walkie talkies are set to the same channel and privacy code.
• Problem: Poor reception or limited range.
  Solution: Ensure there are no obstacles or interference between the walkie talkies. Move to a higher elevation or open area for better reception.
• Problem: Batteries are not charging.
  Solution: Check the charging dock and power outlet connections. Ensure the walkie talkies are properly seated on the charging dock.

6. Frequently Asked Questions

Q: What is the maximum range of these walkie talkies?

A: The COBRA ACXT645 Walkie Talkies have a maximum range of up to 35 miles under optimal conditions. Range may vary depending on terrain and other factors.

Q: Can these walkie talkies be used with AA alkaline batteries?

A: Yes, the COBRA ACXT645 Walkie Talkies can be used with 3 AA alkaline batteries per radio (not included) as an alternative to the included NiMH rechargeable batteries.

Q: Are these walkie talkies waterproof?

A: The COBRA ACXT645 Walkie Talkies are designed to IPX4/JIS4 waterproof standards, which means they can withstand splashing water from any direction.

Q: How do I access the privacy codes?

A: To access privacy codes, press the menu button until the CTC/DCS icon appears on the display. Press the up or down buttons to select the desired privacy code. Press the PTT button to confirm your selection.

Q: What is the range of the COBRA ACXT645 Walkie Talkies?
A: The radios have an extended signal range of up to 35 miles with 2662 channel combinations.

Q: Can these walkie talkies receive NOAA weather alerts?
A: Yes, they have a built-in NOAA radio receiver to keep you prepared for storms and emergencies.

Q: Are these walkie talkies waterproof?
A: Yes, they are designed to meet IPX4/JIS4 waterproof standards.

Q: Does this product have VOX (voice-activated transmission)?
A: Yes, it has VOX which frees hands for other tasks.

Q: Does it come with rechargeable batteries?
A: Yes, each radio comes with 3 AA NiMH rechargeable batteries included.

Q: What is the weight and size of each radio?
A: Each radio weighs 5.1 ounces and measures 1.74 x 2.54 x 6.74 inches.

Q: Can I use AA alkaline batteries instead of the included rechargeable batteries?
A: Yes, you can use AA alkaline batteries as well.

Q: Does it have a built-in LED flashlight?
A: Yes, it has a built-in LED flashlight for enhanced functionality.

Q: How many channel combinations are available with this product?
A: There are a total of 2662 channel combinations available when the 22 channels are combined with the 121 privacy codes (38 CTCSS/83 DCS).

Q: Is there a warranty for this product?
A: The manufacturer does not provide information on any warranty for this product.

Q: Are the screens backlit?
A: Yes, the screens are backlit for easy viewing in low light conditions.

Q: What is the water resistance level of these walkie talkies?
A: They have an international protection rating of IPX4 for water resistance.

Q: Can I purchase replacement belt clips for this model?
A: Yes, you can check with Cobra Electronics online for exact replacement belt clips.

Q: Can these walkie talkies operate on standard CB channels?
A: No, they have limited channels and are not designed to operate on standard CB channels.