RIGOL   
6   DP800 Quick Guide 
Unit selection keys: when using the numeric keyboard to input parameters, 
the keys are used to enter the voltage units (V and mV) or the current units 
(A and mA). 
 
(2)  Numeric Keyboard 
Ring-type numeric keyboard: include numbers 0-9 and the decimal point. 
Press the corresponding key to input the number or decimal point.  
 
(3)  Knob 
When setting parameters, rotate the knob to increase or reduce the value at 
the cursor.  
When browsing the setting objects (timing parameters, delay parameters, 
filename input, etc), rotate the knob to quickly move the cursor.  
 
4.  Preset 
Restore all the settings of the instrument to default values or recall 
the user-defined channel voltage/current configurations.  
 
5.  OK 
 
Confirm the parameter setting. 
Press and hold this key to lock the front panel keys; at this point, 
the front panel keys (except the output on/off key 
 of each 
channel and the power switch key 
) are not available. When 
the 
keyboard lock password is disabled, press and hold this key 
again to unlock the front panel keys. When the keyboard lock 
password is enabled, you need to input the correct password 
(2012) to unlock the front panel keys. 
Delete the character currently before the cursor.  
When the instrument is in remote mode, press this key to return 
to local mode.