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General| Brand | Yaesu |
|---|---|
| Model | VX-400 |
| Category | Two-Way Radio |
| Language | English |
Key buttons and knobs on the front of the radio, including power, channel selection, and volume.
Visual status indicators and connection points for antenna, audio, and battery.
Step-by-step guide for attaching and detaching the battery pack.
How the radio indicates a low battery voltage via the TX/BUSY indicator.
Important information regarding service and repairs, stating no user-serviceable parts.
Essential setup actions before operating the radio, like antenna connection.
Basic steps to power on, select a channel, and adjust volume.
Explanation of how the ACC button can be customized for various features.
How to use the scanning feature to monitor channels for incoming calls.
Feature to monitor two channels simultaneously without using the scanner.
Organizing channels into different banks for easier access.
Advanced scanning that prioritizes a user-selected channel during scans.
Adjusting transmit power to conserve battery life or maximize range.
Bypassing repeater stations for direct communication with nearby stations.
Disabling transmit battery saver for consistent high power output.
Temporarily turning off voice encryption for compatibility issues.
Technical details of the FNB-V57 battery pack, including capacity and voltage.
Guidelines for safe handling, charging, and upkeep of the battery.
Critical warnings about battery usage, potential hazards, and avoiding damage.
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