Setting up Parameters via the Keypad
Backlight Setting
EVM Series User Manual
Backlight Setting
A key on the keypad is dedicated to turning on or off the backlight feature. When turned on, the
backlight will illuminate the screen from a dark gray to a light gray color. This feature has two levels of
brightness.
When turning on, click the backlight key once for a lighter backlight. Press a second time for a darker
contrast.
To turn off, repeatedly press the backlight key until it is turned off.
Backlight key
Press to turn on. This feature has three levels
(off, dim, bright).
Figure 3-19: Backlight key
Resetting the EVM
At times, you may need to reset the instrument if it is unresponsive.
1. To manually reset, press and hold On/Off/Esc for about 8–10 seconds and the instrument will
power off.
Lock/Secure Run and/or Setup
The lock or security feature is designed to lock the EVM during a run to ensure the session will not be
stopped unless the lock feature is disabled. Likewise, this feature includes a locked (or secure) setup
mode which will stop you from editing a set-up. Once one or both of these options are programmed with
a code, it is set by pressing the Lock soft key in the Setup menu.
NOTE: When securing or locking the instrument, it will be in lock mode even when powered off/on.
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