User manual GARMIN GNC 300TSO GPS-COMM INSTALLATION MANUAL

[. . . ] GNC 300 INSTALLATION MANUAL GARMIN INTERNATIONAL, INC. 151st STREET OLATHE, KANSAS 66062-3426 PART NUMBER: 190-00067-02 REVISION J, 30 MARCH 1998 Av. J Page 1 Copyright 1995-1998 Garmin Corporation All Rights Reserved This publication is the proprietary property of Garmin International Inc. It may not be reproduced or transmitted in any form whether printed or electronic, without the expressed written consent of Garmin International. [. . . ] Install the rack in a rectangular 6. 320" x 2. 000" hole in the instrument panel. Exercise caution when installing the rack into the instrument panel. The rack is designed to facilitate removal of the GNC 300 for portable use. Deformation of the rack may make it difficult to install and remove the GNC 300. Install the rack in the aircraft panel using four #6-32 countersunk screws and four self-locking nuts or other FAA approved methods as per Advisory Circular 43. 13-1A. The screws are inserted from the inside through the holes in the sides of the rack (see Figure 3-5). Av. J Page 14 3. 5 GNC 300 INSTALLATION AND REMOVAL The GNC 300 is installed in the rack by gently sliding it straight in until it rests against the back of the rack. A 3/32 inch hex drive tool is then inserted into the access hole at the bottom of the unit face. Rotate the hex tool clockwise while pressing on the left side of the Bezel until the unit is firmly seated in the rack. To remove the unit from the rack, insert the hex drive tool into the access hole on the unit face and rotate counter-clockwise until the mounting screw turns freely and the unit protrudes about 3/8 inch from the panel. Be sure not to over tighten the unit into the rack. The application of hex drive tool torque exceeding 15 in*lbs can damage the locking mechanism. 3. 6 COMM ANTENNA INSTALLATION CHECK Check for insertion loss and VSWR. VSWR should be checked with an in-line type wattmeter inserted in the coaxial transmission line between the transceiver and the antenna. Any problem with the antenna installation will most likely be seen as a high reflected power. A VSWR of 3:1 will result in a 25% loss in power. SECTION 4 POST INSTALLATION CONFIGURATION & CHECKOUT PROCEDURE Before starting the below operations, unit initialization must occur. Do this by first removing any data cards and then turning the unit on. Press enter in response to Select operating mode Normal ok?. Press enter in response to No Jeppesen database rte/prx limited to user wpts ok?. After the satellite status page is displayed for 5 seconds the unit may be turned off. 4. 1 TEST MODE OPERATIONS With power applied to the aviation rack and the GNC 300 unit off, depress and hold the ENT key and turn the unit on (release the ENT key when the display activates). The first page displayed is the Display Test Page. [. . . ] Periodic maintenance of the GNC 300 is not required. Av. J Page 25 FIGURE 1-1 PINOUT DEFINITION, 37 PIN DSUB Av. J Page 26 FIGURE 1-2 PINOUT DEFINITION, 26 PIN HD-DSUB Av. J Page 27 FIGURE 1-3A INTERCONNECT SCHEMATIC Av. [. . . ]