This manual is the user manual for the BudgeTone-100 series IP phones, which provides detailed information about the phone's features, installation, use, configuration, software upgrade, etc.

This document describes the use of the MMC-1 chip and adapter board, including the function of the chip, pin configuration, register description, etc.

This manual is the user manual for NEC Infrontia Topaz Intelligent Hybrid System, which introduces the features of abbreviated dialing, account code, alarm, alphanumeric display, attendant call queuing, automatic route selection, background music, barge in, call forwarding, call forwarding - fixed target, call forwarding - external phone, call forwarding - abbreviated dialing, followed forwarding, call forwarding / Do Not Disturb Override, call redirection, call timer, call waiting / camp on, callback, caller ID, central office calls, answering, central office calls, placing, class of service, conference, voice call conference / privacy release, continued dialing, department group calling, department step calling, dial number preview, dial pad confirmation tone, dial tone detection, direct inward line, direct inward system access, direct station selection console.

This manual describes how to use Lexmark C780 and C782 printers.

DS5000 series digital storage oscilloscope user guide, introduces the product safety overview, terms and symbols, product introduction, product description, instrument setting, measurement, measurement and storage, triggering, waveform editing, data processing, channel and probe calibration, diagnosis and maintenance, appendices and other contents.