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OPERATION/INSTALLATION MANUAL

Trimble
2105 Donley
Austin, Texas 78758
(512) 432-0400

PUBLICATION NUMBER 1900-0220-00

PRINTED IN U.S.A.

TRI NAV

COURSE DEVIATION INDICATOR

Summary of Contents for TRI NAV

Page 1: ...OPERATION INSTALLATION MANUAL Trimble 2105 Donley Austin Texas 78758 512 432 0400 PUBLICATION NUMBER 1900 0220 00 PRINTED IN U S A TRI NAV COURSE DEVIATION INDICATOR ...

Page 2: ...RATION INSTALLATION MANUAL Trimble 2105 Donley Austin Texas 78758 512 432 0400 OCTOBER 14 1996 PUBLICATION NUMBER 1900 0220 00 REVISION G PRINTED IN U S A TRI NAV COURSE DEVIATION INDICATOR T 1 Title Page ...

Page 3: ...SPECIFICATIONS 1 1 4 PERFORMANCE 2 1 5 EQUIPMENT SUPPLIED 2 SECTION II 3 2 OPERATION 3 2 1 DESCRIPTION 3 2 2 OPERATION 3 2 3 FLYING THE ECDI 5 SECTION III 9 3 INSTALLATION 9 3 1 GENERAL 9 3 2 PREPARATION FOR USED 9 3 3 GENERAL INSTALLATION INSTRUCTIONS FOR AVIONICS 9 3 4 MECHANICAL INSTALLATION 13 3 5 ELECTRICAL INSTALLATION 13 3 6 ADJUSTMENTS 19 SECTION IV 23 4 WARRANTY 23 ...

Page 4: ...from the NAV inputs and displayed in numeric form A selected OMNI bearing may be compared to the OBS input The result of this comparison is a bar type display indicating course deviation In the ILS mode localizer signals are received from the NAV receiver and glide slope signals from the glide slope receiver These are decoded and the bar display indicates left right and or up down corrections requ...

Page 5: ...7 bars 1 bar deflection for 0 093 ddm Centering Error 1 bar GLIDE SLOPE Flag Input 250 uA Deflection 8 bars 2 bars deflection for 78uA Centering Error 1 bar Input 1000 ohm 1 5 EQUIPMENT SUPPLIED The TRI NAV is shipped with the following equipment Description Qty Number Connector Receptacle 1 9 2190 171 00 Lockarm 1 9 2190 172 00 Screw 6 32 x 5 8 Truss hd 3 9 2806 110 00 ...

Page 6: ... to give a continuous bearing TO the VOR station and the course deviation bar will not be illuminated The FROM position causes the course display to change automatically to indicate continuously the radial FROM the VOR station and the course deviation bar will not be illuminated During ILS operation BC may be selected for making a Back Course Localizer instrument landing The mode display is in the...

Page 7: ...eceivers to be displayed on a single indicator Typically NAV 1 would be displayed on the OBS deviation bar and NAV 2 would be displayed on the NAV 2 digital radial display The lower right toggle switch allows you to change the digital window radial reading TO the station bearing TO the VOR station Selecting FR allows you to select the FROM radial from the VOR station The lack of a second or NAV 2 ...

Page 8: ...l center turn aircraft toward arrow and maintain aircraft on course TO the VOR 4 Keep course deviation bar centered by making small aircraft heading changes NOTE Turn aircraft in direction of arrows i e if bar is going left left arrow will light turn left to get back on course C Flying a VOR Airway 1 Tune desired NAV frequency and identify 2 Determine aircraft position see A above 3 Set TO OBS FR ...

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Page 10: ...Revision G October 14 1996 7 Figure 2 1 TRI NAV Display ...

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Page 12: ...pection by the carrier in the case of damage or for future use should it be necessary to ship the unit for service or to transfer it to another location 3 3 GENERAL INSTALLATION INSTRUCTIONS FOR AVIONICS The following paragraphs contain pertinent hints advice and guidance intended for use by installers of avionics equipment These have been drafted to address common problems encountered during the ...

Page 13: ...f the antenna base and the aircraft surface will prevent water seepage and corrosion from forming between the antenna base and aircraft surface Antenna Electrical Characteristics Use the antenna supplied with the avionics equipment or if not supplied the antenna s recommended by the avionics manufacturer If no specific antenna is recommended choose an antenna which provides good service for the fr...

Page 14: ... Install the harness and connectors connector plates in the aircraft with very loose dress only Solder all connections to power and ground and install panel components controls and safety devices eg fuses or breakers It is desirable at this point to insert all equipment in trays and perform preliminary check out Following a satisfactory check out and with all equipment in the properly installed lo...

Page 15: ...nce is eliminated whenever another avionics unit is not transmitting first investigate the radiated alternative Insure complete and proper bonding of antennas to the aircraft surface and check the coaxial cable and all shield connections and connectors Review the manufacturer s recommendations for antenna separations Be aware that antenna radiation directly to conductors at the rear of mounting tr...

Page 16: ...s shown in Figure 3 2 The internal resistance of both up down and on off inputs is 1000 ohms TRI NAV MOD 4 and below when using Terra by Trimble s TN 200 TN 200D and other similarly phased composite outputs pins 6 and 7 are grounded to pin 9 for proper phase programming No other source of ground for pin 7 should be used On Nav receivers with composite signals 180 degrees out pin 6 and 7 are left o...

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Page 18: ...Revision G October 14 1996 15 Figure 3 1 TRI NAV TRI NAV C Jumper Wire Location ...

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Page 20: ...Revision G October 14 1996 17 18 Figure 3 2 Tri Nav Interconnect Diagram ...

Page 21: ...the bars are centered Repeat the level adjustment with the Standard Localizer Deviation Signal set to the opposite mid scale With Pin 5 grounded repeat this procedure while adjusting the localizer center and level 2 controls Setting the Localizer level automatically sets the VOR level The bar display will blank if the setting is either too high or too low Using a 1000 uV VOR RF signal adjust the P...

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Page 23: ...Revision G October 14 1996 21 Figure 3 3 TRI NAV ADJUSTMENT ...

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Page 25: ...d installed Also note your name address daytime telephone number and a description of the defect Ship the equipment UPS or equivalent You must prepay the shipping charges Ship to Trimble 2105 Donley Dr Austin TX 78758 512 432 0400 Phone 512 836 9413 FAX We will pay surface shipping charges to return the equipment to you What does your warranty not cover What does your warranty not cover What does ...

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