Agilent Technologies Microwave Oven 53150A 用户手册
Chapter 2 Operating Your Frequency Counter
Using the Menu
Operating Guide
2-39
2
Using the Menu
The Agilent 53150A/151A/152A Counter’s Menu makes it easy to control
a number of the Counter’s features and functions. You use the Selection
(arrow) keys to navigate to the setting you want to change and then to
actually make the changes.
a number of the Counter’s features and functions. You use the Selection
(arrow) keys to navigate to the setting you want to change and then to
actually make the changes.
1
Press the Shift key and then the Menu (Reset/Local) key to display the Menu.
When you press the Shift key, the Shift annunciator (near the bottom-right
corner of the display) activates. When you press the Menu (Reset/Local)
key, the Shift annunciator goes off, and the first menu item is displayed.
If you have not previously invoked the Menu since you last turned the
Counter on, the first menu item is REF OSC, the Reference Oscillator.
corner of the display) activates. When you press the Menu (Reset/Local)
key, the Shift annunciator goes off, and the first menu item is displayed.
If you have not previously invoked the Menu since you last turned the
Counter on, the first menu item is REF OSC, the Reference Oscillator.
2
Press the right-arrow key to change the setting for the Reference
Oscillator.
Oscillator.
The flashing annunciator ( ) in the display reverses direction to indicate
that you can now change the setting by pressing either the up-arrow key
or the down-arrow key. In the case of the Reference Oscillator function,
which has only two possible settings (INTernal and EXTernal), pressing
either the up- arrow or the down-arrow has the same effect (it toggles the
setting from INT to EXT or from EXT to INT).
that you can now change the setting by pressing either the up-arrow key
or the down-arrow key. In the case of the Reference Oscillator function,
which has only two possible settings (INTernal and EXTernal), pressing
either the up- arrow or the down-arrow has the same effect (it toggles the
setting from INT to EXT or from EXT to INT).
NOTE
The Counter will not switch to EXTernal unless a suitable reference
signal is available at the External Reference connector.
signal is available at the External Reference connector.