Table of Contents
Advertisement
Turning OFF the LCD Display's Backlight
The following procedure can be used to turn off the backlight (illumination) of the 4287A's
LCD display. Turning off the illumination helps extend the service life of the backlight
when the unit is used in continuous operation.
NOTE
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
Step 2. Press the
softkey menu.
Step 3. Press the
each press of the button).
Softkey Label
BACK LIGHT [ON]
BACK LIGHT [OFF]
NOTE
If the backlight is turned off, nothing is visible on the LCD display. When operating the
softkeys manually in this condition, it is necessary to view the display on an external
monitor connected to the 4287A.
If the backlight is turned off by mistake and operation is impeded, press the
on the front panel to return the 4287A settings to the preset condition (in the preset
condition the backlight is on).
Chapter 11
Setting and Using the Control and Management Facilities
[System]
key on the front panel to display the System softkey menu.
SERVICE MENU
key in the softkey menu to display the SERVICE MENU
BACK LIGHT [ ]
key to turn the backlight ON or OFF (the setting toggles with
Turning OFF the LCD Display's Backlight
Backlight Status
On (illuminated)
Off (no illumination)
key
[Preset]
239
Advertisement
Table of Contents
