Front panel controls and connectors (cont.).
Overflow occurs when the placement of the DISPLAY POSITION
switch has positioned the display's most significant digit(s) so far to the
left that it is out of the viewable range.
Underflow occurs when the
placement of the DISPLAY POSITION switch has positioned the display's least-
significant digit(s) so far to the right that it is out of viewable range.
The operating temperature of the oscillator oven must remain constant for
the crystal to perform properly. Should the oven temperature drop below its
normal operating range, the asterisk light will come on as an indication of
Factitious zeros occur when the settings of the GATE TIME switch and
DISPLAY POSITION switch have been combined to give fewer significant digits
then the DISPLAY POSITION demanded.
In this combination the display
attempts to blank one or more of the significant digits located to left of
Instead of blanking the digit, the display substitutes an
artificial and meaningless zero to keep that portion of the display filled.