Technical Bulletins

July 15, 2009

DXS-62A, DXS-64 Pendant Transmitters and PERS Consoles

Linear’s DXS-62A and DXS-64 products are battery powered, water-resistant personal transmitters that are designed for use with PERS Consoles and stand-alone DX and DXS format receivers. When paired with the... Read More
September 2, 2008

LRA EN12 Issue

The Model LRA Swing Gate Operator running APeX Controller firmware Version 1.0 or lower can experience difficulty detecting arm presence when used not installed on a gate or on very... Read More
June 13, 2008

Axnet Firmware Upgrade Released

A new revision of the AXNET firmware, Version 1.3, has been released for the Model AM3Plus, AE1000Plus, and AE2000Plus access control and telephone entry systems. To ensure panel interoperability in... Read More
April 8, 2008

LDO & LSO Garage Door Operator Open Limit Switch Adjustment

This bulletin applies to all Linear Model LDO & LSO garage door operators manufactured from December 3rd, 2007 to April 6th, 2008. Products manufactured between these dates have the preset... Read More
August 14, 2007

Identifying entry system versions

Linear’s AM3, AE-1000, & AE-2000 entry systems have been manufactured in two versions, the “legacy” models and the “plus” models. Units manufactured now are all “plus” models. In complete units,... Read More
July 16, 2007

V222 & V361 Central vacuum hose cuffs improved

Effective August 2007, the AirVac Brand Models V222 and V361 Central Vacuum Hoses will start shipping with an improved vacuum port connection cuff. Earlier models of the hoses required use... Read More