GW Instek GDS-1000 Series Programming Manual User Manual
Page 11
COMMAND
DETAILS
21
:channel
:channel
:chan
:chan
Parameter
Channel
Channel invert
1/2 CH1/2
0 off
1 on
Example :channel1:invert
1
Inverts Channel 1
28B
:CHANnel
Set
Query
Description
Selects or returns the math operation type.
Same as: Math key → F1
Syntax
< Long >
< Short >
:channel
:channel
:chan
:chan
Parameter
Channel
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
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
:channel
:chan
:chan
Parameter
Channel
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
Set
Query
Description
Sets or returns the probe attenuation factor.
Same as: Channel key → F4
Syntax
< Long >
< Short >
:channel
:channel
:chan
:chan
Parameter
1/2 CH1/2 0 1x
1 10x
2 100x
Example :channel1:probe
1
Sets the Channel 1
probe attenuation
factor to 10x