Garmin GTX 33, Installation Manual, Page: 7 / 83

190-00906-00 GTX 33 Installation Manual
Rev. F Page v
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
GTX 33 P/N 011-00779-10, 011-00779-30 HARDWARE MOD LEVEL HISTORY
GTX 33 P/N 011-00779-01, 011-00779-21 HARDWARE MOD LEVEL HISTORY
MOD
LEVEL
SERVICE
BULLETIN
NUMBER
SERVICE
BULLETIN
DATE
PURPOSE OF MODIFICATION
1 0710 05/18/07 Improve decay time of the suppression circuit
MOD
LEVEL
SERVICE
BULLETIN
NUMBER
SERVICE
BULLETIN
DATE
PURPOSE OF MODIFICATION
1 0624 04/28/07 Improve rejection of high-power in-band signals
2 0710 05/18/07 Improve decay time of the suppression circuit
MOD
LEVEL
SERVICE
BULLETIN
NUMBER
SERVICE
BULLETIN
DATE
PURPOSE OF MODIFICATION
1 0311 02/06/04
GTX 33D Only. Switch/Diplexer Assembly
reworked to p200 Volt supply line from
shorting to the chassis.
2 0624 04/25/07 Improve rejection of high-power in-band signals
3 0710 05/18/07 Improve decay time of the suppression circuit