RKI Instruments GX-3R - Updating the Backlight Time (BL TIME); Turning the Key Tone On;Off (KEY TONE)

74 • Chapter 5: User Mode and Calibration GX-3R Operator’s Manual
Updating the Backlight Time (BL TIME)
This setting defines how long the LCD backlight stays on when you press any button. The
minimum setting is OFF; the maximum setting is 255 seconds. The factory setting is 30
seconds.
1 . While in User Mode, press AIR to scroll to BL TIME.
2 . Press and release POWER MODE. The current setting flashes.
3 . Use AIR to display the desired setting.
4 . Press and release POWER MODE to save the setting and return to the BL TIME menu
item.
5 . See “Entering Measuring Mode (START)” on page 78 to enter Measuring Mode.
Turning the Key Tone On/Off (KEY TONE)
ON (factory setting): The instrument beeps when a button is pressed.
OFF: The instrument does not beep when a button is pressed.
1 . While in User Mode, press AIR to scroll to KEY TONE.
2 . Press and release POWER MODE. The current setting flashes.
3 . Use AIR to display the desired setting.
4 . Press and release POWER MODE to save the setting and return to the KEY TONE
menu item.
5 . See “Entering Measuring Mode (START)” on page 78 to enter Measuring Mode.
BL TIME
M 7:49
KEY TONE
M 7:49