RIGOL DP832 - Manual (Page 25)

Chapter 1 Quick Start RIGOL
DP800 User’s Guide 1-7
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 directly 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 (timer 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 configuration.
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.
6. Back
Delete the character currently before the cursor.
When the instrument is in remote mode, press this key to return
to local mode.