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Command Descriptions
2–164
TDS Family Oscilloscope Programmer Manual
TRIGAfter specifies that the delayed time base is triggerable after the main time
base triggers.
HORIZONTAL:DELAY:MODE?
returns either RUNSAFTER or TRIGAFTER, indicating the delayed time base mode.
HORizontal:DELay:SCAle
Sets the time per division for the delayed time base. This is equivalent to setting
Delayed Scale in the Horizontal Scale side menu.
On the TDS 400A, changes made while the external clock is enabled do not take
effect until the internal clock is enabled. Also, when the external clock is
enabled, the query form of this command returns an <NR3> value representing
‘50’.
Horizontal
HORizontal:DELay:SECdiv
HORizontal:DELay:SCAle <NR3>
HORizontal:DELay:SCAle?
:
SCAle
:
DELay
HORizontal
?
<Space> <NR3>
<NR3> is the time per division. For the TDS 784C, the range is 10 s to 200 ps.
For the other TDS 500C and 700C, the range is 10s to 500 ps. For the TDS
600B, the range is 10 s to 200 ps. For the TDS 400A, the range is 20 s to 1 ns.
These are values that are in a 1–2–5 sequence. Values that are not in a 1–2–5
sequence (1–2.5–5 on the TDS 620B, 640B, & 644B) will be set to the closest
valid value. If the delayed time base scale is set slower than the main time base
scale, both the main and delayed time base scales will be set to the delay scale
value.
HORIZONTAL:DELAY:SCALE 2.0E-6
sets the delay scale to 2 ms per division.
HORIZONTAL:DELAY:SCALE 9.0E-6
sets the delay scale to 10 ms per division. Since 9 ms is not a valid value within
Examples
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Examples