Getting Started 15
E-EQ-MX3RFIDRG-A MX3-RFID Reference Guide
Set the Display Contrast
Adjusting screen contrast lightens or darkens the characters to make them visible at a comfortable
level. The contrast is incremented or decremented one step each time the contrast key is pressed.
To adjust screen contrast, locate the <F6> key at the top of the keypad. Adjust the
display contrast by pressing the:
• 2
nd
key then the <F6> key
• Use the Up Arrow and Down Arrow keys to adjust contrast until the display lightens or
darkens to your satisfaction.
• Press the Enter key to exit this mode.
The LED for the 2
nd
key blinks until the special editing mode (set contrast) is complete.
Set the Display Backlight Timer
Note: Refer to the section titled “Power Modes” later in this guide for information relating to
the power states of the mobile device.
Select Start | Settings | Control Panel | Display | Backlight tab. Change the parameter values
and tap OK to save the changes.
The first option affects the mobile device when it is running on battery power only. The second
option affects the device when it is running on external power (e.g. AC adapter, cigarette adapter,
powered cradle).
The default value for the battery power timer is 3 seconds. The default value for the external
power timer is 2 minutes. The backlight will remain on all the time when both checkboxes are
blank.
The transmissive color display backlight timer dims the backlight at the end of the specified time.
Set the Display Brightness
Adjusting screen brightness lightens or darkens the background to make characters visible at a
comfortable level. The brightness on a color display is incremented or decremented one step each
time the arrow key is pressed until either the maximum or minimum brightness is achieved (8
steps). The brightness setting is recalled at power up.
Locate the <F10> key at the top of the keypad. Adjust the display brightness by pressing the:
• 2
nd
key then the <F10> key
• Use the Up Arrow and Down Arrow keys to adjust brightness until the display lightens or
darkens to your satisfaction.
• Press the Enter key to exit this mode.
The LED for the 2
nd
key blinks until the special editing mode (set display brightness) is complete.
