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Connects power, antenna, and accessories for operation.
Discusses noise sources and optimal antenna setup.
Controls for power, noise blanker, ANL, and RF output.
Controls for SWR calibration, frequency adjustment, and RF gain.
Adjusts mic gain, selects channels, and modulation modes.
Selects operating channel and modulation mode.
Switches between antennas and frequency bands.
Mutes noise, adjusts volume, and fine-tunes reception.
Connects power, includes fuse, and external speaker jack.
Connects antennas and selective call unit.
Meters, channel display, and function lights.
Microphone control and basic operation steps.
Step-by-step guide for antenna SWR measurement.
Advice on upkeep and part replacement.
Explanation of the phase-locked loop system.
Description of the main circuit board.
How AM, FM, and SSB modulation works.
Block diagram and function of the transmitter.
Receiver processing and squelch circuit functionality.
Noise filtering and frequency adjustment features.
Noise reduction and power circuit information.
Required tools and safety measures for adjustments.
Instructions for aligning the power supply.
Connecting equipment and PLL alignment.
Tuning offset frequencies, VCO, and RF power amplifier.
Adjusting RF driver, modulation, and power meter.
Verifying output frequencies.
Connecting equipment and tuning receiver circuits.
Adjusting AGC, receiver sensitivity, and squelch.
Adjusting the S-meter.
Lists all channel frequencies and their corresponding values.
General| Brand | Ham |
|---|---|
| Model | JUMBO |
| Category | Transceiver |
| Language | English |
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