Anritsu BTS Master MT8221B, User Manual

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Instrument Overview 2-4 Front Panel Keys
BTS Master UG PN: 10580-00207 Rev. E 2-5
Back Key
Press this key to delete only one character, one number, or the range that is specified by the
cursor.
+/– Key
Press this key to change the sign of numbers that are entered with the number keys.
Number Keypad
Press these keys to directly input numbers. Number keys 1 through 9 are also used to open
menus. Refer to the functions of the
“Shift Key” .
Rotary Knob
Turn the rotary knob to change numerical values, to scroll through selectable items within a
list, and to move markers. Values or items may be within a dialog box or an edit window.
Press the rotary knob to finalize the input function in the same manner as pressing the
Enter
key.
Main Menu Keys
The 5 main menu keys are horizontally arranged adjacent to the measurement display screen
and along its lower edge. These keys (buttons) have no printed labels. They are positioned to
accompany virtual key labels that are displayed in the measurement display area. These
main menu key labels change to match specific instrument Mode settings. Each Mode has a
specific set of main menu keys. For details about the main menu keys, refer to the section
“Firmware Overview” on page 2-20 . For details about the Mode settings, refer to section
“Mode Selector Menu” on page 2-6 .
Submenu Keys
These 8 gray keys (buttons) have no printed labels. They are arranged adjacent to the
measurement display screen along the right-hand edge. They are positioned to accompany
virtual submenu key labels that are displayed to match instrument modes and measurement
functions. The submenu label area is also called the Active Function Block (refer to
Figure 2-2
on page 2-3 ). The virtual key labels change as instrument measurement settings change.