Adjusting The Lcd; Adjusting Contrast; Using The Backlight; Muting The Operations Buzzer - T&D RTR-57C User Manual

Adjusting the LCD

◆ Adjusting Contrast

1.
In the Main Menu, open [SET FUNCTIONS] and [Set Contrast]
Move the operation dial up to make the display darker and down to make
●
it lighter.
2.
After completing the setting, press the dial to finish.

◆ Using the Backlight

1.
In the Main Menu, open [SET FUNCTIONS] and [Backlight] .
2.
By moving the arrow to [ON] and pressing the dial, the setting will
be completed.
3.
Move the arrow to and click [BACK] to finish.
53
The present setting will be
displayed.
Upon completion the new
present setting will be
displayed.

Muting the Operations Buzzer

1.
In the Main Menu, open [SET FUNCTIONS] and [Beep] .
2.
By moving the arrow to [OFF] and pressing the dial, the setting
will be completed.
3.
Move the arrow to and click [BACK] to finish.

Checking Memory

1.
In the Main Menu, open [SET FUNCTIONS] and [Check MEMORY] .
2.
By pressing the operation dial you can return to the SET
FUNCTIONS Display.
The present setting will
be displayed.
Upon completion the new
present setting will be
displayed.
Number of Saved Readings
54