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Setups
TFS3031 TekRanger/TekRanger 2 User Manual
1–37
SYSTEM SETUP
System setups set and adjust screen contrast, and system date and
time features, and instrument language features.
Backlight Time
Backlight Time specifies the amount of time before the backlight
blanks to save battery power when button and softkey activity is
suspended. The backlight will not blank when the power/charger
adapter is plugged in, or when a test is in progress.
Selections are backlight Off, 5 minutes to 4 hours in 5 minute steps,
and backlight Always On. Factory default is 15 minutes.
Push any button or softkey to reactivate the backlight after blanking.
Contrast Adjust
Contrast Adjust adjusts the contrast level of the screen for optimum
viewing. Selections are 0 (light) to 255 (dark) in steps of 1. Factory
default is 128 (average contrast). The TFS3031 always powers up
with the same constrast setting that was last used.
To adjust screen contrast, push the arrow key to decrease contrast,
or the arrow key to increase contrast. Contrast can also be
adjusted at initial power on after pushing the
button, and
before pushing any other buttons or keys.
Sound
Sound provides an audible beep when a test is complete, and when
you push an inactive button or softkey.
Selections are On or Off. Factory default is On.
Setups
TFS3031 TekRanger/TekRanger 2 User Manual
1–37
SYSTEM SETUP
System setups set and adjust screen contrast, and system date and
time features, and instrument language features.
Backlight Time
Backlight Time specifies the amount of time before the backlight
blanks to save battery power when button and softkey activity is
suspended. The backlight will not blank when the power/charger
adapter is plugged in, or when a test is in progress.
Selections are backlight Off, 5 minutes to 4 hours in 5 minute steps,
and backlight Always On. Factory default is 15 minutes.
Push any button or softkey to reactivate the backlight after blanking.
Contrast Adjust
Contrast Adjust adjusts the contrast level of the screen for optimum
viewing. Selections are 0 (light) to 255 (dark) in steps of 1. Factory
default is 128 (average contrast). The TFS3031 always powers up
with the same constrast setting that was last used.
To adjust screen contrast, push the arrow key to decrease contrast,
or the arrow key to increase contrast. Contrast can also be
adjusted at initial power on after pushing the
button, and
before pushing any other buttons or keys.
Sound
Sound provides an audible beep when a test is complete, and when
you push an inactive button or softkey.
Selections are On or Off. Factory default is On.