This document provides operating instructions and safety information for a handheld walkie-talkie. It covers various aspects from installation and basic operation to advanced features, troubleshooting, and regulatory compliance.
Function Description:
The device is a handheld walkie-talkie designed for two-way radio communication. It allows users to transmit and receive voice messages over a specified range. Key functions include channel selection, volume adjustment, key lock, torchlight, auto scan, monitor (zero squelch), CTCSS/DCS for private communication, VOX for voice-activated transmission, call tones, time-out timer (TOT), Roger Beep, key tone, and dual channel monitoring (DCM). The device is intended for general use, with specific warnings and guidelines for safe operation in various environments, including near medical devices, in vehicles, and in potentially explosive atmospheres.
Important Technical Specifications:
- Channels: The walkie-talkie operates on a set of predefined channels with specific frequencies. The manual lists 22 channels with frequencies ranging from 462.5500 MHz to 467.7125 MHz.
- CTCSS/DCS: Supports 38 CTCSS codes and 83 DCS codes for sub-channel communication, enhancing privacy and reducing interference.
- VOX Levels: Adjustable voice-activated transmission with 3 levels (1 to 3) or OFF.
- Call Tones: 10 mode call tones (01-10) are available.
- Time Out Timer (TOT): Configurable to 30 or 60 seconds, or OFF, to prevent continuous transmission.
- Battery: Can use either rechargeable Ni-MH batteries (supplied with USB cable, dual USB adaptor, and dual USB car charger) or 3 x AAA alkaline batteries (not included).
- Charging Time (Rechargeable): Approximately 12 hours for a full charge.
- RF Exposure: SAR limit adopted by US is 1.6 W/kg averaged over 1 gram of tissue. The highest SAR value for this device type when properly worn on the body is 0.25 W/kg.
- Range: The talk range depends on surroundings, environment, and obstructions like hills or buildings. Indicated ranges are 0.5-1KM, 1-2KM, and 6+KM depending on conditions.
Usage Features:
- Power On/Off: Press and hold the Menu/PWR button until a beep sound is heard.
- Volume Adjustment: Use the Up/Scan button to increase and Down/Moni button to decrease volume. Confirm with PTT or Menu/PWR.
- Key Lock: Press and hold the Lock button for 6 seconds to lock (lock icon displayed on LCD), allowing only Torch, Menu/PWR, PTT, and Lock buttons to function. Hold for 3 seconds to unlock.
- Torch: Press and hold the Torch button to turn on/off.
- Auto Scan: Press and hold the Up/Scan button for 2 seconds to activate or deactivate. Can also deactivate with Menu/PWR.
- Monitor (Zero Squelch): Press and hold the Down/Moni button for 2 seconds to activate or deactivate.
- Channel Changing: Press Menu/PWR once, then use Up/Down buttons to scroll through channels. Press PTT to confirm.
- CTCSS/DCS Setting: Press Menu/PWR twice, then use Up/Down to select CTCSS/DCS codes.
- VOX Activation: Press Menu/PWR 3 times, then use Up/Down to select voice level (1-3 or OF). Press PTT to confirm.
- Call Tone Setting: Press Menu/PWR 4 times, then use Up/Down to select call tone (01-10). Press PTT to confirm. To send a call tone, press and release PTT twice quickly.
- Time Out Timer (TOT) Setting: Press Menu button 5 times, then use Up/Down to choose 30, 60 seconds, or OF. Press PTT to confirm.
- Roger Beep Setting: Press Menu button 6 times, then use Up/Down to choose ON or OF. Press PTT to confirm.
- Key Tone Setting: Press Menu button 7 times, then use Up/Scan (ON) or Down/Moni (OF) to select. Press PTT to confirm.
- Dual Channel Monitoring (DCM): Press Menu button 8 times, then use Down/UP to choose DCM OF or ON. If ON, press Menu/PWR once, then scroll Up/Down to select a second channel (cannot be the same as the main channel). Press PTT to confirm.
- Transmitting (Sending Speech): Press and hold the PTT button, speak into the microphone (5cm away from mouth) in a normal tone, then release PTT. The "TX" icon is displayed during transmission.
- Receiving: The unit is in Receive mode when ON and not transmitting. The "RX" icon is displayed when a signal is received.
Maintenance Features:
- Battery Installation:
- Rechargeable: Insert the rechargeable battery, connect the USB cable to the walkie-talkie, and use the dual USB adaptor/car charger. Red light on LCD indicates charging; light turns off when fully charged.
- Non-Rechargeable: Slide down the battery compartment cover, insert 3 x AAA batteries according to polarity markings, then replace the cover. Do not charge alkaline batteries.
- Low Battery Indicator: The battery icon on the LCD will display low battery status and blink when voltage is low, continuing until the battery is fully drained, indicating replacement is needed.
- Resetting the Unit: Remove the battery, then hold the Menu/PWR button while reinserting the battery. The unit will turn on and display "CH 100". Release PTT.
- Troubleshooting Guide: Provides solutions for common issues such as no power, radio switching off, inability to communicate, one-way communication, interrupted voice, and interference from other stations. Solutions include checking charger/battery installation, cleaning battery contacts, replacing batteries, verifying channel/CTCSS settings, ensuring radio coverage, checking external mic, and changing channels.
- Battery Caution:
- Use AAA size alkaline batteries for non-rechargeable models; do not attempt to charge them.
- Do not mix old and new batteries.
- Do not mix alkaline, standard (carbon-zinc), or rechargeable (Ni-Cd, Ni-MH, etc.) batteries.
- Ensure alkaline batteries are within their expiry time.
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