Bnc 745-20C-T Manuel d'utilisateur télécharger pdf (Page 21)

User's Manual - MOD745-20

October 2014

Page 21 / 30

6.2.5. WIDTH

Syntax:

WIDTH T<n>,<W>

WIDTH? T<n>

Form:

Set & Query

Description:

Query channel <n> width or set channel <n> at specified <W> width

Parameter:

<n>: Channel number (0 to 20)

<W>: Width (in nanosecond)

RST value:

Last value set

Range:

100 to 300 000 000 ns

Example:

Set 250 ns width on channel 4: WIDTH T4,250

Query width of channel 4: WIDTH? T4 (Answer: :WIDTH T4,2500)

6.2.6. POLARITY

Syntax:

TTL T<n>,<P>

TTL? T<n>

Form:

Set & Query

Description:

Query polarity of channel <n> or set channel <n> at specified <P>

polarity, positive (POS) or negative (NEG)

Parameter:

<n>: Channel number (0 to 20)

<P>: Polarity (POS or NEG)

RST value:

POS

Example:

Set negative-going pulses on channel 3: TTL T3,NEG

Query polarity of channel 3: TTL? T3 (Answer: :TTL T3,NEG)

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Bnc 745-20C-T Manuel d'utilisateur Page 21