Instruction manual

Chapter 11 235
Setting and Using the Control and Management Facilities
Locking the Front Panel Keys, Keyboard and Mouse
11. Setting and Using the Control and Management
Facilities
Locking the Front Panel Keys, Keyboard and Mouse
You can lock the operation of any of the input devices, including the 4287A front panel
keys, the attached keyboard, and the attached mouse. Using this function will prevent
accidental operation of devices not intended for use.
Locking the front panel keys and keyboad
With the exception of the standby switch ( ), all of the keys on the front panel and
keyboad can be made inoperative by following the procedure described below.
NOTE After the front panel keys and keyboad have been locked, they (with the exception of
the standby switch) cannot be used to return the lock to OFF.
For how to perform the instruction “press the key (softkey) in the softkey menu”
mentioned in the procedure, see “13. Softkeys” on page 87.
Step 1. Press the [System] key on the front panel to display the System softkey menu.
Step 2. Press the KEY LOCK MENU key in the softkey menu to display the KEY LOCK MENU
softkey menu.
Step 3. Press the KBD LOCK [ ] key in the softkey menu to switch the lock status of the front keys
and keyboad between ON or OFF (the setting toggles with each press of the button).
NOTE To set the lock status of the front keys to OFF, perform any of the following operations.
• Use the mouse to press the KBD LOCK [ ] key in the softkey menu (or perform the
same operation in the menu bar
*1
).
• Use the mouse to execute 8. Help - 2. Frontkey - Preset from the menu bar
*1
to return
the 4287A settings to the preset condition. In the preset condition, the lock function is
OFF.
• Execute either of the above operations by sending GPIB commands from an external
controller to the 4287A. For how to use GPIB commands, see the Programming
Manual.
• Press the standby switch ( ) on the front panel to completely turn OFF the power.
When the standby switch is pressed again to turn the power ON, the 4287A
power-on-settings will become valid. In the power-on-setting, the lock functions of the
front keys, keyboard and mouse are all OFF.
Softkey Label Lock Status of Front Keys
KBD LOCK [ON] ON (inoperative status)
KBD LOCK [OFF] OFF (operative status)
*1. For how to operate the menu bar, see “2. Measurement display menu bar” on page 84.