Motorola L3392 - Manual (Page 82)

Setup Configuration Utility 5-6
Internal and Numlock
sets if you can enter a number when
Num Lock is turn off. When this
item is enabled, you can press and hold
FN, and then press a letter key to
enter a number even if
Num Lock is turned off. When this is disabled,
you cannot enter a number with the above method. A check mark (ü)
indicates enabled while undline (_) indicates disabled.
USB Emulation
enables or disables the system’s support for the
USB port in DOS mode.