Chapter 1 Getting Started
The 5071A at a Glance
Operating and Programming Manual 3
The 5071A at a Glance
If you've unpacked and inspected the 5071A and are ready to operate it, go to the
top of page 8.
The front-panel features are illustrated and briefly described on the following
pages. (The item numbers on this page correspond to the callouts in the following
Front and Rear panel illustrations).
Indicators
1. CLOCK DISPLAY: shows 24-hour time,
2. ATTENTION LIGHT: indicates power-up sequence or the need for attention
1
3. CONTINUOUS OPERATION LIGHT: when lit continuously, indicates normal
operation (No faults since last reset)
1
.
4. LCD DISPLAY: shows instrument menus, functions, MJD, and internal operating
parameters.
2
Controls
5. DATA ENTRY / FUNCTION KEYPAD: selects six menu shortcuts and enters
numeric data.
6. ACTIONS KEYPAD: controls Cursor, menu choices, data entry termination, and
display contrast.
Connectors
7. 1PPS OUTPUT: provides a 20 µs pulse every second for synchronization and timing.
8. SYNC INPUT: accepts a 100 ns to 100 µs pulse for synchronization of 1 PPS.
(The electrical characteristics of these connectors are the same as the rear panel 1pps
Output and Sync Input. See ―Rear-Panel Features‖ on pages 5, 6 and 7 for more
information.)
Quick Reference Guide to Controls
9 QUICK REFERENCE GUIDE TO CONTROLS: explains both the user interface
and control/data key actions.
You can use the menu map shown on the next page to customize the 5071A’s
operation for your time-keeping needs.
1
Refer to Chapter 3, In Case of Difficulty," for more information.
2
See top of page 10 to adjust the LCD display for best viewing.
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