HP 1660 Series Service Manual page 18

Logic analyzers
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Measur ement and Di spl ay Funct i ons
Measur ement and Di spl ay Funct i ons
Di spl ayed Wavefor ms 24 lines maximum, with scrolling across 96 waveforms.
Di spl ayed Wavefor ms
Measur ement Funct i ons
Measur ement Funct i ons
Run/St op Funct i ons Run starts acquisition of data in specified trace mode.
Run/St op Funct i ons
St op In single trace mode or the first run of a repetitive acquisition, Stop halts
St op
acquisition and displays the current acquisition data. For subsequent runs in repetitive
mode, Stop halts acquisition of data and does not change the current display.
Tr ace Mode Single mode acquires data once per trace specification. Repetitive mode
Tr ace Mode
repeats single mode acquisitions until Stop is pressed or until the time interval between
two specified patterns is less than or greater than a specified value, or within or not
within a specified range.
I ndi cat or s
I ndi cat or s
Act i vi t y I ndi cat or s Provided in the Configuration and Format menus for identifying
Act i vi t y I ndi cat or s
high, low, or changing states on the inputs.
Mar ker s Two markers ( X and O) are shown as vertical dashed lines on the display.
Mar ker s
Tr i gger Displayed as a vertical dashed line in the Timing Waveform display and as line 0
Tr i gger
in the State Listing display.
Dat a Ent r y/Di spl ay
Dat a Ent r y/Di spl ay
Label s Channels may be grouped together and given a 6-character name. Up to
Label s
126 labels in each analyzer may be assigned with up to 32 channels per label.
Di spl ay Modes State listing, State Waveforms, Chart, Compare Listing, Compare
Di spl ay Modes
Difference Listing, Timing Waveforms, and Timing Listings. State Listing and Timing
Waveforms can be time-correlated on the same displays.
Ti mi ng Wavefor m Pattern readout of timing waveforms at X or O marker.
Ti mi ng Wavefor m
Bases Binary, Octal, Decimal, Hexadecimal, ASCII ( display only) , Two's Complement,
Bases
and User-defined symbols.
Symbol s 1,000 maximum. Symbols can be downloaded over RS-232 or HP-IB.
Symbol s
General Information
Supplemental Characteristics (logic analyzer)
1–7

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