Agilent Technologies 53150A Using the Menu, DO SELF TEST - Starts the sequence of built-in tests

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Chapter 2 Operating Your Frequency Counter

Using the Menu

3Press the Enter key to activate the setting and exit the Menu. The setting you chose is put into effect, and the Menu closes.

If you need to exit the Menu without changing any of the settings, press the Clear key. To restore the setting of any menu item to the setting that was in effect when you opened the Menu, press the Reset/Local key (this restores the original setting for the current menu item but does not close the Menu).

The Menu contains the following items (these items are displayed in the order they are listed if you repeatedly press the up-arrow key after opening the Menu):

•REF OSC — Sets the Counter to use the internal timebase or an external timebase connected to the Reference connector on the back panel.

•DO SELF TEST — Starts the sequence of built-in tests.

•BATT VOLTAGE — Displays the current voltage level in the rechargeable battery packs (only if the Battery option is installed).

•OP HRS — Displays the total number of hours the Counter has been in operation since it was last calibrated.

•Model number, firmware version number, serial number, OPTNS (installed options).

•PRESET — Resets all user-settable functions to the factory default settings.

•BAUD — Sets the data rate for the RS-232 serial port.

•FM — Turns the Counter’s ability to compensate for frequency modulation on (AUTO) or OFF.

•CH1 LPF — Turns the Channel 1 Low-Pass Filter (approx. 50 KHz) ON or OFF.

•RECALL — Reads and implements a stored set of user settings from one of nine (0 – 9) that are stored in non-volatile memory.

2-40 Operating Guide