Specifications

Page 20 USN52 L Operating Manual
The MAGNIFY key expands the gated portion of the A-scan to fill the entire width of the display. A second press
returns the display to the normal A-scan presentation.
Press ZOOM key to expand the A-scan display horizontally. Menu functions are not available when the display is
ZOOMed because the A-scan occupies the menu area of the display. Press ZOOM again to return to the standard
display.
Use the COPY key to transmit information to an external device via the RS-232 I/O port, or to save measurement
readings in the on-board data logger. Type of output must be specified using the COPY MODE function in the lower
menu level. Refer to Chapter 7 for details on all menu functions.
The COPY key is enabled only when an external device is connected or when COPY MODE, in the lower menu
level, is set to DATA LOGGER.
Press the LOCK key to inhibit the adjustment of most menu functions. While LOCK is enabled, the symbol
is
displayed in the status line. A second press of LOCK releases all functions.
The following keys are
not disabled by LOCK: , ,
The following menu functions are
not disabled by LOCK: dB STEP, FILE NUMBER, LOCATION, and FILE MODE.
The BACKLIGHT key toggles the LCD backlight ON and OFF.
The CONTRAST keys adjust the contrast of the LCD display. The contrast should be set for optimum viewability.
4. Front Panel of the USN52 L