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Operating and Programming
Introduction
1-2
Introduction
This section describes the additions, changes, and deletions to the
information that appears in the introduction of the 5071A Operating
and Programming manual.
Introducing the 5071A
5071A Major Features
In the bulleted text delete:
• 45 minute standby battery
Operating The 5071A
Clock Functions
1st paragraph, 2nd sentence is changed:
The 1 pps output is moveable in time and can be automatically
synchronized with other 1 PPS sources.
3rd paragraph is changed:
1 pps output: There is one 1 pps output on the 5071A front panel.
4th paragraph is changed:
The 1 pps output is TTL compatible and requires 50Ω termination.
You can automatically synchronize the 1 PPS signal to an external
1 PPS, or manually change its timing by up to ± 500 ms in 50 ns
steps. Use the front-panel Sync Input for an external system reference
input.
2nd paragraph (page vii) is changed:
Power input and management: The 5071A operates from either ac or
dc power. Power-source priority is controlled by the 5071A. The
priority order is:
1. External dc power: when below the specified minimum voltage (40
Vdc on both dc inputs), or when absent, the 5071A switches to,
2. Ac line power.
(Item 3 is deleted.)
Option 048:
Any TCO Option:
Any TCO Option:
Any TCO Option:
Option 048: