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In this section you will find User's Guides and Schematics for the current revisions of each of our products. Two products are currently represented here:

PSE-508-1, PSE-508-2 and PSE-508-3: These are our current production models. They went into production in February 2007, serial numbers 0136 on. The latest schematic revision is V 2.2, and the latest User's Guide revision is V 2.1. The PSE-508-3 User's Guide includes a supplement document that explains how to use the -3's four channel CTCSS encoder/decoder.

Original PSE-508: This was the introductory version of our controller and was in production from October 2006 to January 2007, serial numbers below and including 0135. It has been superseded by the PSE-508-1 PSE-508-2 and PSE-508-3. The latest schematic revision is Ver. 1.3, and the latest User's guide revision is Ver. 1.0.

User's Guides:

PSE-508-1 and PSE-508-2 User's Guide (Boards with serial numbers above and including 0136)

PSE-508-3 User's Guide Supplement (You need this plus the one above for a complete "-3" user's guide)

Original PSE-508 V1.3.3 User's Guide (Standard firmware for boards with serial numbers below and including 0135)

Original PSE-508 V2.1.2 User's Guide (Enhanced features firmware for boards with serial numbers below and including 0135)

Schematics:

PSE-508-1, -2, and -3 Schematic (Boards with serial numbers above and including 0136. All 3 models share the same schematic. The only differences are that some components are omitted or included, depending on the configuration.)

Original PSE-508 Schematic (Boards with serial numbers below and including 0135).