Pulsar TC-10B, Руководство пользователя, Страница: 59 / 190

Copyright © 2003 Pulsar Technologies, Inc.
Chapter 5. Installation / Adjustment Procedures
5
• Verifying initial TC–10B factory adjustments.
• Installing the TC–10B for your application.
• Changing the TC–10B operating frequencies.
• Periodic maintenance.
You perform routine adjustments in
the field for the following purposes:
• Review the Test Equipment (Chapter 4).
• Review the Adjustment Data Sheets (at the end of this
chapter); you should complete the data sheets as you
perform the Adjustment Steps.
• Review the TC–10B Block Diagram as described under
Signal Path (Chapter 6).
• Remove the cover from the front of the chassis. After
removing the cover, set it in a safe place.
To prepare the TC–10B for installa-
tion or routine adjustment tests,
perform the following:
1. Select the TC–10B Operating Frequency.
2. Review the Adjustment Data Sheets (at the end of this
chapter); you should complete the data sheets as you
perform the Adjustment Steps.
3. Select the TC–10B Keying Conditions.
4. Select the TC–10B Receiver Output.
5. Select the TC–10B Transmitter RF Output Impedance.
6. Check the Line Tuning and Matching Equipment.
7. Check the TC–10B Transmitter Power Levels.
8. Offset the TC–10B Transmitter Frequency. (3 terminal line
application)
9. Set the TC–10B Receiver using the Remote Carrier signal &
then Local Carrier signal.
10. Select the optimal Universal Checkback Module conditions.
Be sure to run the adjustment tests in
the following order: