Width, Polarity – BNC 745-20C-T User Manual
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)