User's Manual

Model 1150A DVOR
9-16 Rev. - November, 2008
This document contains proprietary information and such information may not be disclosed
to others for any purposes without written permission from SELEX Sistemi Integrati Inc.
9.7.6 DVOR Station Power-Up
Refer to Section 3 of this manual for detailed instruction on DVOR operation. The DVOR is microprocessor
controlled, transmitter one will come up in the on-line mode as the normal mode of operation.
a. Turn on the PMDT. Refer to Section 3 for operating instructions.
b. Set TX1 AC and TX 2 AC circuit breakers to the ON position.
c. Set TX 1 Battery and TX 2 Battery circuit breakers to the ON position.
d. Set TX 1 DC Buss and TX 2 DC Buss circuit breakers to the ON position.
9.7.7
Log-On Procedure
a. Refer to paragraph 3.6.6 for DVOR system log on procedures.
b. Place system in bypass using the PMDT mouse to point and click the BYPASS button on the left side of
the display command and shutdown transmitter by pointing and clicking the OFF button on the screen.
9.7.8
Setting Date and Time
a. Point and click the RMS TAB pull down menu.
b. Select set time and date and push the enter key.
c. The RMS time will be updated to the current time on the PMDT laptop.
9.7.9
Setting Station's Descriptor
Refer to paragraph 3.6.7.4.2 for this procedure. The station descriptor is an alpha or numeric descriptor that allows
you to readily identify a DVOR system. This is very useful when there is more than one system that you are
monitoring. This information is not broadcast by the DVOR.
9.7.10
Password Change
Refer to paragraph 3.6.7.4.5 for this procedure.
9.7.11
Setting System Configuration
Refer to paragraph 3.6.7.4.2 for this procedure.
9.7.12
Transmitter Tuning Procedures
9.7.12.1 Checking Output Frequency of Frequency Synthesizer
a. Perform procedure of paragraph 6.4.15 to align the Frequency synthesizers.
9.7.12.2
Amplitude Adjustment
a. Turn off transmitter by using the mouse to point and click on the Transmitter 1 OFF button.
b. Connect in-line wattmeter thru body in the carrier feed cable to the antenna. Install a 250 watt element into
the wattmeter to measure forward power.
c. Turn on transmitter 1 by using the mouse to point and click on the Transmitter 1 ON button.
d. Insure that transmitter 1 is on the antenna.
e. Place transmitter in the BYPASS mode of operation.
f. Select Transmitters>>Configuration>>Nominal. Enter the desired Output Power from 0 to 100 Watts then
F7. Select Transmitters>>Configuration>>Offsets and Scale Factors. Adjust the Output Power Scale for
Transmitter 1 to obtain the desired output power.
NOTE
If the VOR is to be operated as an enroute facility, use the 250 watt element and set the station for
100 watts. If the facility is to be used as a terminal facility, use the 100 watt element and set the
station for 50 watts. Other power settings between 50 and 100 watts should be at customer's
request. Use the wattmeter element that provides the best display.