4-12 Issue 05, 02/00 Krautkramer USN 52R/USN 52L
4.5 Keys for special functions
Important functions and special functions can be se-
lected via special keys on the right-hand side of the
operating field:
Key Function
DdB-Step – Changes step size for the gain
setting
BdB-REF – Stores reference echo
EDisplay freeze – Freezes display
ACopy – Transmits data to the RS232
interface
LZoom – Expands the echo display over the
whole screen
HMagnify – Expands the gate over the whole
display width
GLock on/off – Locks function values
Basics of operation Keys for special functions

Only USN 52L

The USN 52L is provided with two additional special
keys on the left-hand side of the display. They are used
for setting the LCD screen.
Key Function
lBacklight - Switches the display backlight
on and off.
uContrast - varies the brightness / contrast
of the LCD screen.
4-12 Issue 05, 02/00 Krautkramer USN 52R/USN 52L
4.5 Keys for special functions
Important functions and special functions can be se-
lected via special keys on the right-hand side of the
operating field:
Key Function
DdB-Step – Changes step size for the gain
setting
BdB-REF – Stores reference echo
EDisplay freeze – Freezes display
ACopy – Transmits data to the RS232
interface
LZoom – Expands the echo display over the
whole screen
HMagnify – Expands the gate over the whole
display width
GLock on/off – Locks function values
Basics of operation Keys for special functions

Only USN 52L

The USN 52L is provided with two additional special
keys on the left-hand side of the display. They are used
for setting the LCD screen.
Key Function
lBacklight - Switches the display backlight
on and off.
uContrast - varies the brightness / contrast
of the LCD screen.