Bird Technologies AT-500-Manual - Manual (Page 30)

Bird AT-500 Antenna Tester
12
“Noise”
Displayed if there is excessive background noise mea-
sured. The measurement may not be accurate. See “Trou-
bleshooting” on page 47 if this condition is persistent.
Out of Range Values
When entering numeric data, it is possible to enter a
value out of range. Depending on the function, the
Antenna Tester will either enter the minimum or max-
imum value, or the cursor will continue to blink on the
function out of range waiting for the correct entry.
Setting the Auto Shut-Off Timer
In order to preserve battery life, the Antenna Tester
will automatically shut off after 5,15,30 or 60 minutes
without any keystrokes.
Follow the steps below to select the length of time,
before auto shut-off occurs.
1. Press the MENU key.
2. Press the UTIL key.
3. Press the TIMER key until the desired interval is
displayed.
Return to Factory Presets
When the Antenna Tester is turned on, the various
software parameters will be set to the condition they
were at when the tester was turned off.
To return the parameters to the factory setting follow
the steps below.
z The parameters will be set to the conditions
listed below.