GDS-1000B Programming Manual 
146 
Parameter/ 
Return parameter 
:DVM:SOURce CH1 
Sets the DVM source to channel 1. 
 
Sets or queries the DVM mode. 
This command is only applicable when the DVM 
app is installed. See the DVM app user manual for 
details. 
:DVM:MODe {ACRMS|DC|DCRMS|DUTY| 
FREQuency|?} 
Parameter/ 
Return parameter 
Sets the mode to AC frequency 
:DVM:MODe DUTY 
Sets the DVM mode to DUTY. 
 
Returns the measurement value of the selected 
mode. 
This command is only applicable when the DVM 
app is installed. See the DVM app user manual for 
details.