Bird Technologies AT-400 - Manual (Page 42)

Bird AT-400 Antenna Tester
30

NOTE: If an out of range value is entered, the minimum
(if under-range) or maximum (if over-range) value will
be substituted. If a maximum value that is lower than
the minimum value is entered the cursor will blink
again on the minimum value, waiting for a correct entry.
The actual range depends on the units selected.

NOTE: Using the arrow keys will keep you in the
acceptable range. If you are not sure if the larger value
should be at the right or left side of the scale, press the
auto scale key to see where the software puts it.
Turn Audio On/Off
The pitch varies with the match condition allowing you to
tune an antenna without having to look at the display.
y Press the MENU key.
y Press the SINGLE FREQ key.
y Pressing the AUDIO key toggles between on and off.