This document is the user guide for the ViewSonic® VA912 LCD display, which provides information on the packaging, precautions, quick installation, screen adjustment, and main menu control of the product.

This document is the user manual for Philips MCD170/98 Mini Home Theater System, which introduces the functions and usage of the product. The manual includes instructions on product connection, playback, volume adjustment, setting adjustment, etc.

TOSHIBA TEC B-SV4D series barcode printer user manual, introducing about the safety issues of operating and maintaining the device, as well as the operating precautions.

JABRA BIZ™ 2400 MONO is a wired headset launched by Jabra. The headset uses a neodymium magnet speaker to provide perfect sound quality, a gold-plated contact to ensure clear sound, and an existing IP model that provides true broadband audio (150-6,800Hz) , Improved noise cancellation, using the FreeSpin break-resistant boom arm, which can be rotated 360 degrees, key parts using medical steel and Kevlar reinforced earphone lines to ensure maximum strength, providing super soft ear pads and three wearing styles (only for single ear), with an ID label clothespin, and a three-year quality guarantee.

The 3WT air circuit breaker is a type of circuit breaker produced by Siemens. It has the advantages of safety and reliability, easy operation, modularity and low power consumption. Its rated current is 630 to 3200 A and its rated working voltage is AC 440 V.