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DOCUMENT HISTORY
The following major changes have been implemented in this manual since the previous edition:
Edition Description Date
6804112J28-O Initial edition Sept. 2000
6804112J28-A Updated Safety Information (June 2001).
Updated controller board for VHF and UHF Band 1.
Updated RF board for VHF and UHF Band 2.
Aug. 2001
6804112J28-B Added Display Model (GP338 Plus) information. Sept, 2001
6804112J28-C Section 5A, 5B, 5C and 5D:
Added new board diagrams, schematics and parts
lists to VHF, UHF Band 1, UHF Band 2 and
330MHz sections.
Mar, 2002
6804112J28-D Document History Section added. June, 2003
Changed to Safety Information (Feb. 2002).
Section 1: Introduction
Updated CGISS Indirect Business Customer Help
Desk information.
Section 5A, 5B and 5C: Model Chart & Test Specs
Added 4 Channel information to VHF Band, UHF
Band 1 and UHF Band 2 sections.
6804112J28-E Added GP338 XLS model.
Changed to latest Safety Information (Feb. 2002)
Corrected flex diagrams of GP328 Plus and GP338
Plus.
May, 2004
6804112J28-F Updated Safety Information (Feb. 2002)
Updated controller board (PCB no.8404051G07/
G08) to 8404051G09 rev H.
Sept, 2004
6804112J28-G Added controller board (PCB no.8404051G07/G08) Dec, 2004