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Channels 1 to 8 are programmed for repeater usage only and are usable only if a repeater is available in your area.
Details on the BAOFENG UV-81C radio components, including antenna, buttons, speaker, microphone, and indicator lights.
Instructions on how to use the UP/DOWN buttons to select the desired channel on the radio.
List of available parts and accessories for the BAOFENG UV-81C radio, including antennas, batteries, and microphones.
Important safety warnings regarding radio transmission, proximity to flammable atmospheres, and unsupervised child operation.
Guidance on avoiding extreme temperatures, water, moisture, dust, and unauthorized modification of the radio.
Advice to read all instructions carefully before operating the radio and retain the manual for future reference.
Warning not to connect the radio to any power source other than the supplied battery to avoid damage.
Instruction not to use the radio with a damaged antenna.
Recommendation to avoid storing or charging the radio in direct sunlight.
Information on the Citizen Band radio service license in New Zealand and compliance with the UHF CB 477 MHz band plan.
Explanation of narrowband (12.5 kHz) and wideband (25 kHz) radios and their impact on channel capacity and compatibility.
Guidance on managing interference from adjacent channels or transmissions from different radio types.
Information on channels 22, 23, 61, 62, & 63 being allocated for telemetry only and skipped by the radio.
Step-by-step guide for installing the battery into the radio, ensuring proper alignment and contact.
Instructions on how to safely remove the battery from the radio by releasing the latches.
Steps for charging the radio or battery using the specified charger, including LED indicator meanings.
Important warning to turn off the radio before charging to ensure a full charge.
Notification of the 'Battery Low' voice prompt when the battery level is getting low.
Recommended temperature range (5°C to 40°C) for charging to prevent leakage or damage.
Guidance for initial battery use, including charging for 5 hours and achieving capacity after cycles.
Tips for extending battery life, including handling cold weather and cleaning contacts.
Recommendations for storing batteries long-term to avoid damage and maintain capacity.
Instructions on how to properly install the antenna by holding the base and turning clockwise.
Guidance on using external antennas, ensuring SWR is about 1.5:1 or less to avoid transceiver damage.
Critical warning to never transmit without an antenna attached to the radio.
How to enter the function setting menu by pressing and holding the MENU key for 2 seconds.
Setting the squelch level, with default at 3 and 0 for open squelch.
Adjusting battery save mode from 1 to 4 for receive sleep ratio.
Selecting Voice Activated Switch level from off to 10 for microphone sensitivity.
Option to leave Dual Standby turned on for both PTT buttons to work.
Option to turn button beeping on or off.
Selection between English and Chinese for voice prompt language.
How to activate channel scanning by pressing and holding the channel UP button.
Description of the green light flashing during scanning and radio holding for transmission.
How to stop scanning by pressing the PTT1 or PTT2 button.
Instructions on switching on FM radio, searching stations using UP/DOWN buttons, and muting for incoming communication.
How to turn off the FM radio by pressing the [M] button.
Specifies the battery voltage as 7.4 Volts.
Details output power, transmission type, frequency range, deviation, and adjacent channel power.
Details receiver sensitivity and audio power.
General
