ASTRO-MED Dash 16u Manuale di avvio rapido - Pagina 11

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I. Real-time Recording

DISCUSSION

ACTION

Default the Dash 16u

Create a chart with one signal

Select Chart with Channel 1

Set speed to 5 mm/sec

Stop the chart paper

Set Channel #1 to be +/- 4 Volts FS

Input sine wave into Channel #1

Run the chart

Stop the chart paper

Measure the sine wave signal

using the color display

Remove sine wave signal

Exercise #2: Sine Wave Generator Test

Items needed: Waveform Signal Generator. Signal input leads.

Input a +/- 2 Volt sine wave, 1 kHz into Channel #1. Use a one grid chart.

Set up the channel so that when there is no signal, the waveform trace will be at

the center. When the sine wave signal is applied, the waveform trace will be

shown symmetrically within the grid. The signal will be seen on the color

display as well as on the chart paper. Next, a data capture will be set up to

collect data when the sine wave signal is applied.

[SYS] [SYSTEM SETUP] [SYSTEM DEFAULT] [YES]

[SYS] [AUTO-CHART SETUP] [NEXT >>] To begin auto-chart.

Keep chart format to individual [NEXT >>]. Turn encoder wheel so that

number of channels is 1 [NEXT >>]. Keep chart with channel text [NEXT >>].

Turn encoder wheel to Chart 4 [NEXT >>] [NEXT >>]

[MODE] [RUN CHART 4]

[5] [SEC] Common speeds have dedicated keys on front panel of Dash 16u.

[RUN / HALT]

[AMP 1] One key for each of two amplifiers.

[ADVANCED]

[CHANGE AMP TYPE...] The Dash 16u has four amplifier types.

[SET TO SINGLE-ENDED] Select the single-ended amplifier type.

[EXIT] [SET TO 40 V] Set the attenuator range to 40 Volts.

[EXIT] [SET RANGE] Turn encoder wheel until range is set to 8 Volts.

[SET OFFSET] Turn encoder wheel until offset is set to 0 Volts.

[EXIT]

Use the banana jack input connection located on the side of the Dash 16u.

[RUN / HALT] The signal for Channel #1 should be

[RUN / HALT]

[FREEZE DISPLAY] Toggle the time cursor button until it reads

[TIME CURSOR A]. Turn the encoder wheel to move Cursor A. Observe the

voltage readings shown at the bottom of the display. Experiment with Cursor B

and then Cursors A+B. Amplitude and time measurements between the cursors

are given on the bottom of the display.

When finished, run the display [RUN DISPLAY]

HOW TO

of the full scale chart.