Comtech EF Data DT-4500-A Series - Manual (Page 83)

DT-4500-A Series Downconverters Revision 1
Front Panel Operation MN-DT4500A
5–15
The read-only bottom line displays the operating parameters that will be stored into the
designated slot (using this submenu), and then recalled via the LOAD submenu.
5.3.4.3 PRE-SELECTS: CLEAR
Clear this pre-select?
No Yes
Use the ◄ ► arrow keys to select No or Yes to clear a previously saved parameter from
memory. This will free up the slot for future pre-select programming needs. Press ENTER when
done.
5.3.5 UTILITY
TIME DISP FIRMWARE AID
REFOSC SLOPE LAMP-TEST
Use the ◄ ► arrow keys to select from the submenu choices shown, and then press ENTER. Note
the following:
Submenu Sect Functional Description
TIME 5.3.5.1 Allows configuration of the Real-Time Clock.
DISP 5.3.5.2 (Display) Allows adjustment of the Video Fluorescent Display (VFD) brightness
level.
AID 5.2.5.3 Allows definition of a unit identifier (label).
REFOSC 5.3.5.4 (External Reference Oscillator) Allows adjustment of the downconverter
reference frequency.
SLOPE 5.3.5.5 Allows adjustment of the downconverter slope settings.
LAMP-TEST 5.3.5.6 Performs a diagnostic test of the front panel LEDs and VFD.
5.3.5.1 UTILITY: TIME (Real-Time Clock)
Edit Real-Time Clock:
12:00:00 01/23/11
To edit the time and date settings of the real-time clock, first use the ◄ ► arrow keys to select
the digit to be edited, and then use the ▲ ▼ arrow keys to change the value of that digit. Press
ENTER when done.
Note: 24-hour Military time format is used.