This document describes the features and functions of the Philips HP3631 infrared treatment device, which can be used to treat muscle and joint problems and relieve muscle and joint pain. The product can also be used for relaxation and preparation for massage.

HD20 is a high-end decoder with volume control function, which can be used as a preamplifier and equipped with a remote control. The power switch of the machine is next to the power input socket on the back panel. After power on, HD20 will enter normal working state after 15 seconds self-test. During self-test, HD20 is in mute state and the display screen flickers, which are all normal and part of the boot program. The top four rows of buttons on the HD20 remote control can be used to remotely control most HEGEL amplifiers and CD players. For different models, the functions may be slightly different. The bottom two rows of buttons are specially used to control HD20 and computers.

VR-56 (I) Digital Recorder User Manual, introduces the operation of the recorder such as power on, recording, playing back recordings, and checking the remaining time

Digital voice recorder manual, supports three recording modes, can realize long-time recording, ordinary recording and high-quality recording. Support voice-activated recording, built-in high-quality microphone recording, speaker playback. Support bright backlight LCD display, FM radio, free drive U disk function, low power display prompt function, automatic segmentation and A-B repeat function, telephone and external microphone recording function, loop playback function.

This document introduces the features and characteristics of the digital voice recorder DVR-268, including one-key recording, three recording modes, recording monitoring and assistive listening functions, phone recording and external microphone recording functions, A-B repeat function, MP3 playback function, etc.

DVR-116 digital voice recorder has one-key recording, three recording modes, recording monitoring, auxiliary listening function, USB port plug and play, telephone recording and external microphone recording function, automatic recording segmentation, recording time setting function, MP3 playback function, low power prompt function, built-in speaker playback, U disk function, A-B repeat function, built-in lithium battery and other features.

This document is about the instruction manual of a certain brand of digital voice recorder. It introduces the features, appearance and buttons, technical specifications, and function operations of the recorder.

The Philips LFH 0602 / LFH 0622 digital voice recorder records in the popular MP3 format and features a large front-facing speaker for clear audio playback. It can also function as a USB mass storage device with high-speed USB 2.0 access to recordings, music and data.

This document is the user manual of Philips digital voice recorder LFH 0662 LFH 0667. It introduces the main functions and features of the recorder and how to use it.

This file introduces the operation method of S640 recorder, mainly including recording, playback, clock, alarm clock, file deletion, communication and other functions

This document provides the user manual and technical support for Philips Voice Tracer digital recorder, including features, important notices, recording, playback, deletion instructions, as well as firmware updates and frequently asked questions.

This is a user manual of Philips LFH0655 digital voice recorder, which introduces the features, safety information, usage methods, recording, playback, deletion, personalized settings, etc.

This is the user manual of Philips digital recorder LFH0615, LFH0625, LFH0635. It mainly introduces the features, safety instructions, scope of delivery, overview, start using, recording, playback, deletion, personalized settings, firmware update, FAQs, technical parameters, etc.

Philips digital recorder Voice Tracer user manual, introduces the features, safety instructions, scope of supply, overview, start using, recording, playback, deletion, personalization settings, firmware update, common problems and technical parameters.

This document is the user manual for the experimental instrument, which introduces the hardware structure and interface application, system self-test operation, experimental instrument demonstration program operation, etc. used in conjunction with SPCE061A experimental instrument V2.0.2. The experimental instrument features the SPCE061A 16-bit SOC microcontroller by Sunplus, including keyboard, digital tube, LED light drive, analog voltage input, RS232/USB communication, storage chip expansion, LCD display, etc.