To Use The Security Lock; Figure 4.19 Numeric Keypad - Rigol DHO900 Series User Manual

Cursor
After you input all the values and select the desired units, the numeric keypad is
turned off automatically. This indicates that you have completed parameter setting.
Besides, after you have input the values, you can also click or tap "OK" directly to
close the numeric keypad. At this time, the unit of the parameter is the default unit. In
the numeric keypad, you can perform the following operations:
• Modify the parameter value that has been input;
• Set the parameter value to a maximum or minimum value;
• Set the parameter to a default value;
• Clear the parameter input field.
4.7

To Use the Security Lock

If necessary, you can lock the instrument to a fixed location by using the security lock
(please purchase it by yourself), as shown in the figure below.
The method is as follows: align the lock with the lock hole and plug it into the lock
hole vertically, turn the key clockwise to lock the oscilloscope, and then pull the key
out.
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Ten to the Nth Power Confirmation Key

Figure 4.19 Numeric Keypad

Unit
DHO900 User Guide
Quick Start
Delete Key
Max. Value
Min. Value
Default Key
Clear Key
35