Installation Instructions

GTN 6XX/7XX AML STC Installation Manual 190-01007-A3
Page E-17 Rev. 4
NOTES:
1. ALL WIRES 24 AWG OR LARGER UNLESS OTHERWISE SPECIFIED.
2. GROUND DESIGNATIONS: SHIELD BLOCK GROUND AIRFRAME GROUND
3. IF A CDI/HSI SOURCE SELECTION ANNUNCIATOR IS REQUIRED, INDICATORS ON THIS PAGE ARE SUITABLE TO
MEET THE ANNUNCIATION REQUIREMENT.
4. LEGENDS ARE HIDDEN (BLACK) WHEN NOT ILLUMINATED.
5. THE PREFERRED ANNUNCIATION IS VLOC/GPS ALTHOUGH NAV/GPS IS ACCEPTABLE.
6. STACO SWITCH INDICATOR P/N 992561-1241762200 (14V SYSTEMS
) AND P
/N 992561-1241862200 (28V
SYSTEMS) SHOWN.
7. VIVISUN INDICATOR P/N 95-40-17-B6-AW724 (28
V SYSTEMS
) SHOWN. INDICATOR MAY BE CONVERTED TO 14V
OPERATION BY REPLACING 28V LAMPS WITH 14V LAMPS P/N 14-113.
8. VIVISUN INDICATOR WITH MOMENTARY SWITCH P/N 95-45-11-B6-AW724 (28V SYSTEMS) SHOWN. INDICATOR
MAY BE CONVERTED TO 14V OPERATION BY REPLACING 28V LAMPS WITH 14V LAMPS P/N 14-113.
9. THESE UNITS ALSO PROVIDE NAVIGATION SOURCE SELECTION ANNUNCIATION. MID-CONTINENT
ANNUNCIATION CONTROL UNITS FOR BOTH 14V AND 28V SYSTEMS SHOWN. REFER TO MID-CONTINENT
INSTALLATION MANUAL FOR ADDITIONAL DETAILS.
10. CDI SOURCE SELECTION AND ANNUNCIATION IS DONE WITH EXTERNAL RELAYS. REFER TO MID-CONTINENT
INSTALLATION MANUAL FOR ADDITIONAL INSTALLATION INFORMATION.
11. THE MD41-14XX ANNUNCIATORS SHOWN DO NOT PROVIDE A ‘SUSP’ ANNUNCIATION, AND ARE ONLY TO BE
USED IF THEY ARE PRE-EXISTING IN THE AIRCRAFT. IF PERFORMING A NEW INSTALLATION AND SOURCE
SELECTION ANNUNCIATIONS ARE REQUIRED, USE THE MD41-151X SHOWN ON THIS PAGE. SEE SECTION 2.4.9
FOR ADDITIONAL INFORMATION.
12. SINCE MD41-14XX ANNUNCIATORS DO NOT PROVIDE A ‘SUSP’ ANUNCIATION, THEY MUST BE PLACARDED
DIRECTLY ADJACENT TO THE ACU: “GREEN OBS INDICATES OBS OR SUSP MODE--GTN ANNUNCIATOR BAR
INDICATES WHICH IS ACTIVE. PUSH OBS BUTTON TO CHANGE OBS OR SUSP MODE”. AS AN ALTERNATIVE, THE
MD41-151X MAY BE INSTALLED, AS SHOWN ON THIS PAGE. SEE SECTION 2.4.9 FOR ADDITIONAL INFORMATION.
13. LAMPS SHOULD RECEIVE POWER FROM THE SAME POWER BUS TO WHICH THE GTN IS CONNECTED.
14. FOR GTN 625/635/725 INSTALLATIONS, IF THE ACU CONTAINS A CDI SOURCE SELECT SWITCH, THEN THE CDI
SOURCE SELECT SWITCH (LABELED “CDI” OR “NAV GPS”) WILL NOT BE USED AND MUST BE PLACARDED
DIRECTLY ADJACENT TO THE ACU
: “CDI SWITCH UNUSED” OR “NAV GPS SWITCH UNUSED” (DEPENDING ON
THE LABEL OF THE INSTALLED SWITCH).
15. FOR GTN 625/635/725 INSTALLATIONS, THE CONNECTIONS FROM THE ACU TO P1001-52, VLOC ANNUNCIATE*,
AND P1001-39, CDI SOURCE SELECT
*, ARE NOT NECESSARY.
s
Figure E-7. External Navigation Source Selection Annunciator Interconnect
Sheet 3 of 3