To reset the instrument setup
•
To reset the instrument to the factory-preset defaults, press the
Default Setup
softkey.
•
To reset the instrument to the configuration that was present before
autoscale, press the
Undo Autoscale
softkey.
Table 6
HP 54620A/C Factory-Preset Default Configuration Settings
Configuration Item Setting
Single-Channel Measurements Channel 0 is source; show measurements is on; no measurement is selected.
Dual-Channel Measurements Channel 0, rising edge is first source; Channel 1, rising edge is second source; show
measurements is on; no measurement is selected.
Cursors Cursors off; time readout is selected; all cursors are set to time zero.
Trace memories Both trace memory 1 and 2 are off; trace 1 memory is selected.
Graticule Set to full.
Autostore Off.
Time base Time reference center; main, not delayed sweep; vernier off; main and delay value 0;
100
µ
s/div main time base; 500 ns/div delayed time base; sample period 800 ns.
Display Default color palette selected for HP 54620C.
Channels All channels on; channel 0 selected; order 0-15.
Labels Labels on; labels CH00, CH01, ...,
Threshold TTL (1.5 V) for all channels and external trigger input; channel 0-7 threshold is selected
when menu is entered.
Trigger Mode and Condition Normal Trigger Mode with edge trigger.
Edge Trigger Rising edge on channel 0.
Pattern Trigger All channels don’t care.
Advanced Trigger Default condition is Duration > on Pattern 1.
Pattern 1 and 2 mask and value is 0, minimum duration 2 samples.
Edge 1 and 2 rising on channel 0, occurrence count 1.
Auto Glitch Detect Enabled.
Waveform Colors Channels 0-3 - yellow, 4-7 - magenta, 8-11 - cyan, and 12-15 - red. (HP 54620C only)
Making Analyzer Measurements
To reset the instrument setup
119
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