Key facts
- Manuals
- 2
- Languages
- ZH
- Last added
- 2026-09-30
Featured Qinhuangdao Qianmu Electronics manuals
Qinhuangdao Qianmu Electronics USB-RS232 Converter User Manual
The USB‑RS232 converter features a USB 2.0 interface that emulates a serial port and a standard 9‑pin RS232 D‑sub connector. It draws power directly from the USB port, so no external power supply is needed.
The manual explains how to install the driver: connect the device, let Windows detect new hardware, run the installation wizard, browse to the driver folder, and complete the steps. It also includes the bundled serial‑port debugging software and contact details for technical support. This manual is written in Chinese.
Covers: Product Features · Product Images and Interface Description · Driver Installation Process · Included Serial Port Debugging Software · Technical Support and Contact Information
Qinhuangdao Qianmu Electronics YT-04 4-Channel Isolated Voice Controller Manual
This manual introduces the YT-04 voice controller, an industrial‑grade 4‑channel isolated module with onboard power amplifier, WAV audio support, and flash storage. It describes the product’s physical layout, interfaces, and key specifications such as a 12‑24 V DC supply range and operation from –20 °C to 85 °C.
The document provides step‑by‑step instructions for hardware connection, software recording, parameter configuration, various control modes, and playback testing. Technical support contact information is also included for further assistance. This manual is written in Chinese.
Covers: Product Features · Physical Layout and Interface · Voice Recording Process · Control Methods · Parameter Settings · Playback Test
Latest Qinhuangdao Qianmu Electronics manuals
Qinhuangdao Qianmu Electronics USB-RS232 Converter User Manual
User Manual 5 pages · 496 KB · ZHThe user manual for the Qinhuangdao Qianmu Electronics USB‑RS232 converter provides features, connection guide, driver installation steps, and support…
Qinhuangdao Qianmu Electronics YT-04 4-Channel Isolated Voice Controller Manual
User Manual 8 pages · 620 KB · ZHThe YT-04 4‑channel isolated voice controller manual details features, wiring, control methods, parameter settings, and testing procedures.
Which document do I need?
User Manual
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in Qinhuangdao Qianmu Electronics manuals
What type of RS232 connector does the converter have?
It uses a standard 9‑pin D‑sub RS232 connector.
From: Qinhuangdao Qianmu Electronics USB-RS232 Converter User Manual
Does the converter require an external power supply?
No, the USB port supplies power directly to the converter.
From: Qinhuangdao Qianmu Electronics USB-RS232 Converter User Manual
What voltage does the YT-04 require?
It operates from a 12‑24 V DC power source connected to the V+ and G terminals.
From: Qinhuangdao Qianmu Electronics YT-04 4-Channel Isolated Voice Controller Manual
How many voice channels can the YT-04 control?
The module provides four isolated voice channels, each with its own input terminal.
From: Qinhuangdao Qianmu Electronics YT-04 4-Channel Isolated Voice Controller Manual