Garmin GPS 400W, Installation Manual

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GNS 400W Series Installation Manual Page 4-19
190-00356-08 Rev. G
4.8.2.4 Flag
Pin Name Connector Pin I/O
VOR/LOC +FLAG P4006 3 Out
VOR/LOC -FLAG (VOR/LOC COMMON) P4006 4 Out
GLIDFLAG P4006 30 Out
GLIDDOWN/-FLAG (GLIDESLOPE COMMON) P4006 31 Out
The Flag output is capable of driving up to three 1000 meter loads. When valid information is present
(Flag OUT OF VIEW) the Flag output is 375 ±80 mVDC. When invalid information is present (Flag IN
VIEW) the Flag output is 0 ±25 mVDC.
4.8.2.5 OBS
Pin Name Connector Pin I/O
VOR OBS ROTOR C P4006 9 Out
VOR OBS ROTOR H (GROUND) P4006 10 Out
VOR OBS STATOR D P4006 13 In
VOR OBS STATOR F P4006 12 In
VOR OBS STATOR E/G (VOR/LOC COMMON) P4006 11 Out
VOR OBS ROTOR C and H are a buffered 500 Hz output that is intended to drive the OBS rotors. VOR
OBS STATOR D and VOR OBS STATOR F are each phase and amplitude shifted version of the VOR
ROTOR C output. Each pair is intended to read one of the two windings of the indicator‘s OBS stator.
4.8.2.6 VOR/LOC COMPOSITE
Pin Name Connector Pin I/O
VOR/LOC COMPOSITE OUT P4006 8 Out
With a Standard VOR Test Signal applied, VOR/LOC COMPOSITE OUT is 0.5 ±0.1 VRMS into a 10
k load. With a Standard Localizer Centering Test Signal applied, VOR/LOC COMPOSITE OUT is
0.350 ±0.05 VRMS into a 10 k load.
4.8.2.7 ILS ENERGIZE
Pin Name Connector Pin I/O
ILS ENERGIZE P4006 29 Out
The driver output voltage is not more than 1.0 V when sinking 20 mA. The maximum off state leakage
current with respect to GND is less than 10 A.
4.8.3 VOR/ILS Indicator Configuration
None.
4.8.4 VOR/ILS Indicator Calibration and Checkout
Refer to Sections 5.3.14 and 5.3.15 for the VOR/LOC/GS checkout.
4.8.5 VOR/ILS Indicator Interconnect
Refer to Figure H-20 for the VOR/ILS indicator interconnect.