Mark-10 WT3-200, User Manual

Model WT3-200 Wire Terminal Pull Tester 

User’s Guide 

24

13.2 Backlight 

Several initial settings are available upon powering on the tester. To access these settings, select 

Backlight

 from the menu. The display will appear as follows: 

Select 

Off

 for the backlight to be off upon powering on the tester. 

 
Select 

On

 for the backlight to be on upon powering on the tester. 

 
Select 

Auto

 for the backlight to be on upon powering on the tester, but will shut off after a period of 

inactivity (as defined in the 

Automatic Shutoff

 sub-section). The backlight will turn on again when activity 

resumes. The length of time of inactivity is programmed in minutes via the 

Set Minutes

 parameter. 

Available settings: 

1-10

, in 1 minute increments. 

Note:

 If the AC adapter is plugged in, the tester will ignore these settings and keep the backlight on. 

Selecting the 

On

 or 

Off

 setting in the 

Backlight

 menu will manually turn the backlight on or off.

13.3 LCD Contrast 

The contrast of the display may be adjusted. Select 

LCD Contrast

 from the menu. The screen will appear 

as follows: 
 

 
Press 

ENTER

 to modify the contrast. Select a value from 

0

 to 

25

, 

25

 producing the most contrast.  

13.4 Beeps 

Audible tones can be enabled for all key presses and alerts, such as overload, set point value reached, 
etc. The Set Point alert can be configured to be either a momentary tone or a continuous tone (until the 
load is restored to a value between the set points). To configure the functions for which audible tones will 
apply, select 

Beeps

 from the menu. The screen will appear as follows: 

BACKLIGHT 

          Off 
          On 
       *  

Auto  

          Set Minutes 
 

     1 

BEEPS 

Keys

  * Alerts 
        Set Points 
            * Momentary 
              Continuous 

LCD CONTRAST 

Set Contrast 

10