GW Instek GDS-1000 Series Programming Manual User Manual
Page 11

COMMAND
DETAILS
21
:channel<X>:invert
<Boolean>
:channel<X>:invert?
:chan<X>:inv
<Boolean>
:chan<X>:inv?
Parameter
<X>
Channel
<NR1>
Channel invert
1/2 CH1/2
0 off
1 on
Example :channel1:invert
1
Inverts Channel 1
28B
:CHANnel<X>:MATH
Set
Query
Description
Selects or returns the math operation type.
Same as: Math key → F1
Syntax
< Long >
< Short >
:channel<X>:math
<NR1>
:channel<X>:math?
:chan<X>:math <NR1>
:chan<X>:math?
Parameter
<X>
Channel
<NR1>
Math operation
1/2
CH1 or CH2
0
Math off
1
Add
2
Subtract
3
FFT
Example1 :channel1:math
2
Channel 1 – Channel 2
Example2 :channel2:math
2
Channel 1 – Channel 2
Example3 :channel2:math
2
Runs FFT on Channel 2
29B
:CHANnel<X>:OFFSet
Set
Query
Description
Sets or returns the offset level for a channel. The
offset level range depends on the vertical scale.
GDS-1000 Programming Manual
22
Syntax
< Long >
< Short >
:channel<X>:offset
<NR3>
:channel<X>:offset?
:chan<X>:offs <NR3>
:chan<X>:offs?
Parameter
<X>
Channel <NR3> Offset level
1/2 CH1/2 ±0.5 –0.5V
~
+0.5V
(2mV/div~50mV/div)
±5.0 –5.0V
~
+5.0V
(100mV/div~500mV/div)
±50.0 –50.0V ~ +50.0V
(1V/div ~ 5V/div)
Example :channel1:scale
1.00e–2
:channel1:offset 2.00e–2
Sets the Channel 1
scale to 10mV/div
Sets the Channel 1
offset to 20mV
30B
:CHANnel<X>:PROBe
Set
Query
Description
Sets or returns the probe attenuation factor.
Same as: Channel key → F4
Syntax
< Long >
< Short >
:channel<X>:probe
<NR3>
:channel<X>:probe?
:chan<X>:prob <NR1>
:chan<X>:prob?
Parameter
<X> Channel <NR1> Probe attenuation factor
1/2 CH1/2 0 1x
1 10x
2 100x
Example :channel1:probe
1
Sets the Channel 1
probe attenuation
factor to 10x