Bird Technologies AT-800-Manual User Manual
Page 21
 
Introduction
3
3.
Cursor Keys
Left Arrow
Press in swept frequency mode to 
move the cursor to the left. Press during 
data entry to erase data.
Right Arrow
Press in swept frequency mode to 
move the cursor to the right.
Up Arrow
Moves the cursor to the maximum point 
on the displayed trace. Press during 
data entry to increase numeric data.
Down Arrow
Moves the cursor to the minimum point 
on the displayed trace. Press during 
data entry to decrease numeric data.
4.
Backlight Key
Turns the backlight on or off. Backlight 
is on a timer to increase battery life.
5.
On Key
Press to turn tester on, press and hold 
to turn tester off.
6.
+/- Key
Toggles between positive and negative 
numbers.
7.
Enter Key
Completes data entry.
8.
ESC Key
Back up through menu structure. At the 
top menu level, blanks menu. Exits data 
entry without saving changes.
9.
Menu Key
Displays software menu and enables 
menu select keys.
10. Select Key
Allows current parameter, indicated by 
flashing cursor, to be changed. Press 
again to enable the next parameter to 
be changed.
11. Numeric Keys
Input numeric values.
12. Menu Select
Keys
Used to access the menu sections 
described directly above them. Can 
also be used to scroll through available 
settings in a particular parameter.
13. Test Port
Connect antenna or antenna lead.
14. Serial Port
Connect communication cable to allow 
data transfer to a PC.