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4 - 86 COMMAND REFERENCE
SENSe:VOLTage<n>[:DC]:RANGe:AUTO
Syntax:
SENSe:VOLTage<n>[:DC]:RANGe:AUTO <Boolean>
<n> [1] | 2 | 3 | 4
Note: Channel 3 and 4 not applicable for PM33x0B.
Query form:
SENSe:VOLTage<n>[:DC]:RANGe:AUTO?
Response:
0 | 1
0 Autoranging attenuator channel <n> switched off.
1 Autoranging attenuator channel <n> switched on.
Description:
Switches the autoranging function of channel <n> on or off. In the analog mode,
the error message -221 "Settings conflict;Digital mode required" is generated.
The autoranging attenuator function is automatically switched off when the
following occurs:
- Attenuation value is programmed (SENSe:VOLTage<n>:RANGe:PTPeak).
- A channel is switched off (SENSe:FUNCtion:OFF "XTIMe:VOLTage<n>").
- The Main Time Base (MTB) is switched off.
- The applicable channel addition function, e.g., CH1+CH2, is switched on
(SENSe:FUNCtion:ON "XTIMe:VOLTage:SUM 1,2").
After a
*
RST command, autoranging attenuation for all channels is switched off.
Note: Switching the autoranging attenuator on for a channel, automatically
sets the input signal coupling for that channel to AC
(INPut<n>:COUPling AC). Also the main timebase is switched from
variable (VAR) into 1-2-5 step mode.
Example:
Send
→ *RST Switches CH1 on.
Send
→ SENSe:FUNCtion:ON 'XTIMe:VOLTage2' Switches CH2 on.
Send
→ INITiate:CONTinuous ON Sets Auto run mode.
Send
→ SENSe:VOLTage2:RANGe:AUTO ON Autoranging CH2.
Send
→ SENSe:FUNCtion:ON 'XTIMe:VOLTage:SUM 1,2'
Switches CH1 + CH2 on.
The result is that the addition of input channels 1 and 2 is switched on (CH1+CH2)
and autoranging attenuator channel 2 switched off.
Front panel compliance:
The SENSe:VOLTage<n>:RANGe:AUTO command is the remote equivalent of
the four front panel AUTO RANGE keys (one for each channel).