| Selecting and Using "Other" Features |
| Running Self Test |
| If any or all of these connections are not made the HP 37718A will FAIL |
NOTE | |
| Self Test. |
| 4 Press RUN/STOP to activate the Self Test. TEST STATUS RUNNING |
| |
| will be displayed. |
| The information pertaining to TEST TYPE, TEST NUMBER and |
| SUBTEST NUMBER will change as the Self Test progresses. |
| If the HP 37718A is functioning correctly, after a time of at least 1 |
| hour, TEST STATUS PASSED is displayed. |
| If TEST STATUS [FAIL nnn] is displayed, the HP 37718A should be |
| returned to a service office for repair. |
HOW TO: Run Confidence TESTS
1Choose TEST TYPE CONF. TESTS display.
on the OTHER SELF TEST
2Insert a formatted disk into the instrument disk drive.
3Make the loopback connections listed below:
Connect Transmit module 75Ω OUT to Receive module 75Ω IN Connect Transmit module 100/120Ω OUT to Receive module 100/ 120Ω IN
Connect Transmit module 75Ω MUX to Receive module 75Ω DEMUX Connect Transmit module 100/120Ω MUX to Receive module 100/ 120Ω DEMUX
Connect Multirate Analyser IN to OUT
Connect Optical OUT to Optical IN via a 15 dB attenuator.
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