Arviel Concept Electronics and Communications Engineering

Arviel Concept Electronics and Communications Engineering We provide services in AM/FM Transmitter, transceiver installations and repair. AM/FM Transmitter, transceiver and antenna maintenance and other services

Alinco DX-10 Modifications:Alinco DX-10 modifications typically focus on expanding the frequency range to include the 11...
05/04/2026

Alinco DX-10 Modifications:

Alinco DX-10 modifications typically focus on expanding the frequency range to include the 11-meter band (25.615–28.305 MHz) and adjusting internal settings for better SSB/AM performance. Key modifications include a button-sequence frequency expansion (holding Func+EMG while turning on), adjusting the hidden Mic Gain ("ICG") menu setting, and utilizing the internal SWR meter.

Alinco DX-10 Frequency Expansion Mod
This mod expands the operating range to cover 11-meter CB frequencies (bands A-F).

Procedure:
Turn the radio off.
Press and hold the FUNC (Function) and EMG (Emergency) buttons simultaneously.
Turn the radio on while continuing to hold the buttons.
Select the desired band range using the channel selector (typically setting it to a specific band number, often '1' or '2' depending on the tutorial, to open 25.615 - 28.305 MHz).
Turn the radio off and on again to confirm.

Operational & Performance Tweaks
Fixing No Audio/Modulation (SSB/AM/FM): If there is a carrier but no modulation, adjust the hidden "ICG" (Microphone Gain) setting. Press the MENU key and navigate to "ICG," then set it to a value between 31 and 32, as it is often set too low by default.
Checking SWR: You can use the internal SWR meter to check antenna performance. Hold the FUNC button, navigate to the "TLD" menu, and select "SR" to display the SWR. Note: This is an estimated reading and not a precision instrument.
Backlight Modification: Some users reported that the LCD display backlighting is quite dim. Some operators have reported using aftermarket solutions to enhance visibility, though it is often considered a hardware limitation of the original design.

Notes:
This radio is widely considered a re-badged version of the CRE 8900.
Ensure the antenna is tuned before transmitting, as high SWR can trigger protection, displaying "S high".

IntroductionThis manual provides detailed instructions for the installation, operation, and maintenance of theATU-130 Au...
03/04/2026

Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of the
ATU-130 Automatic Antenna Tuner. The ATU-130 is a miniature HF automatic antenna tuner designed for efficient impedance matching across a wide frequency range. Please read this thoroughly before using the device to ensure proper function and safety.

Product Overview:
The ATU-130 is a compact and efficient automatic antenna tuner designed for HF radio applications. It features an OLED display for clear readings and robust components for reliable performance.

With Ham Radio 24-7 – I just got recognized as one of their top fans! 🎉
19/01/2026

With Ham Radio 24-7 – I just got recognized as one of their top fans! 🎉

31/12/2025
Thank you for your trust. Wishing you a productive and fulfilling 2026, filled with new opportunities and consistent pro...
30/12/2025

Thank you for your trust. Wishing you a productive and fulfilling 2026, filled with new opportunities and consistent progress.

With Arviel Electronics Enterprise – I'm on a streak! I've been a top fan for 5 months in a row. 🎉
05/12/2025

With Arviel Electronics Enterprise – I'm on a streak! I've been a top fan for 5 months in a row. 🎉

Circuit Breaker Current Rating Capacity and its appropriate wires size to be used.
22/11/2025

Circuit Breaker Current Rating Capacity and its appropriate wires size to be used.

18/11/2025

220v AC to 12v DC Circuit

CROWBAR OVER VOLTAGE PROTECTION FOR YOUR 13.8V 24-30A REGULATED POWER SUPPLY.
26/10/2025

CROWBAR OVER VOLTAGE PROTECTION FOR YOUR 13.8V 24-30A REGULATED POWER SUPPLY.

RETEVIS L51 EXTERNAL SPEAKER / MIC CONNECTION
14/10/2025

RETEVIS L51 EXTERNAL SPEAKER / MIC CONNECTION

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