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A-4 HCXTD840, Issue 1, July 2001
Key labels and
functions
See the following table for a description of key labels and
associated functions.
Table A-1 Description of Key Labels and Functions
Key Designation Function
R-FRQ Displays and demonstrates different ringing
frequencies (pitches) that can be assigned to your
console.
R-LEV Displays, demonstrates, and allows you to change the
ringing level used with your console. The two choices
are low and normal.
R-PTN Demonstrates default ringing patterns used for different
types of calls.
DA Indicates whether or not a data adapter is assigned to
your console.
ROM Indicates the version of read-only memory (ROM) used
by your console.
LCD Tests the liquid crystal display to ensure that all
portions of the display are working properly.