Garmin GTX 33 Installation Manual - Page 7
Gtx 33 P/n 011-00779-10, 011-00779-30 Hardware Mod Level History - for sale
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GTX 33 HARDWARE MOD LEVEL HISTORY The following table identifies hardware modification (Mod) Levels for the GTX 33. Mod Levels are listed with the associated service bulletin number, service bulletin date, and the purpose of the modification. The table is current at the time of publication of this manual (see date on front cover) and is subject to change without notice. Authorized Garmin Sales and Service Centers are encouraged to access the most up-to-date bulletin and advisory information on the Garmin web site at www.garmin.com using their Garmin-provided user name and password. GTX 33 P/N 011-00779-00, 011-00779-20 HARDWARE MOD LEVEL HISTORY MOD LEVEL 1 SERVICE BULLETIN NUMBER 0710 SERVICE BULLETIN DATE 05/18/07 PURPOSE OF MODIFICATION Improve decay time of the suppression circuit GTX 33 P/N 011-00779-10, 011-00779-30 HARDWARE MOD LEVEL HISTORY MOD LEVEL 1 2 SERVICE BULLETIN NUMBER 0624 0710 SERVICE BULLETIN DATE 04/28/07 05/18/07 PURPOSE OF MODIFICATION Improve rejection of high-power in-band signals Improve decay time of the suppression circuit GTX 33 P/N 011-00779-01, 011-00779-21 HARDWARE MOD LEVEL HISTORY MOD LEVEL 1 2 3 SERVICE BULLETIN NUMBER 0311 0624 0710 SERVICE BULLETIN DATE 02/06/04 04/25/07 05/18/07 PURPOSE OF MODIFICATION GTX 33D Only. Switch/Diplexer Assembly reworked to prevent +200 Volt supply line from shorting to the chassis. Improve rejection of high-power in-band signals Improve decay time of the suppression circuit 190-00906-00 Rev. F GTX 33 Installation Manual Page v
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