Bird Technologies AT-800-Manual - Manual (Page 30)

Bird AT-800 Antenna Tester
12
“Noise”
Displayed if there is excessive background noise measured.
Note: The measurement may not be accu-
rate. See "Troubleshooting" on page 49 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.
Selecting the Cellular System
Select the appropriate cellular system.
1. Press the MENU key.
2. Press the UTIL key.
3. Press the CELL SYS key.
4. Press the appropriate key for the cellular system
in use.
5. Press either BASE or MOBILE depending on the
band to be tested.
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.