Comtech EF Data DT-4500 Series, Инструкция по установке и эксплуатации

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DT-4500 Series C- and Ku-Band Down Converters MN/DT4500.IOM
Front Panel Operation Revision 2
6–8
6.2.3 (SELECT:) CONFIG (Configuration) Menu Branch
OUTPUT REMOTE REDUNDANCY
FAULTRECOVERY COLDSTART
Use the
 
keys to move the cursor to the desired choice. Press ENTER . The
function of each CONFIG submenu is as follows:
•
OUTPUT Submenu – The selections here allow you to define output
frequency, attenuation, and set Rx operations as ON or OFF.
•
REMOTE Submenu – The selections here allow you to select whether you
control the unit locally or remotely, set the unit address, the interface
type, and the operating parameters for that interface.
• REDUNDANCY S ubmenu – The selections here allow you to identify the
redundancy state and mode (see
Appendix A. REDUNDANT SYSTEM
OPERATION
for detailed information about redundancy operations).
• FAULTRECOVERY Submenu – The selections here allow you to set the
Fault Recovery operation as AUTO or MANUAL.
• COLDSTART Submenu – The selections here allow you to mute the
converter output signal for a pre-determined time after power is applied
to the converter to ensure that the reference oscillator is stable. (This
submenu is non-operational in redundancy systems.)
6.2.3.1 (CONFIG:) OUTPUT Submenu
Frq=03627.125 MHz
Atten=19.75 dB Rx = Off
On the top line, set the converter Freq (Frequency). You may edit the current
frequency channel from RF
Low
to RF
High
MHz (e.g.; 10950.000 to 12750.000 MHz
for Model DT-4513) in 125 kHz steps (1 kHz steps optional). Use the
 
keys to
select a digit, and then use the

keys to change that digit.
On the bottom line, set the converter Atten (Attenuation). You may select an
attenuation setting from 0.00 to 25.00 dB in 0.25 dB steps (0.1 dB steps
optional). The default setting is 10.00 dB. Use the
 
keys to select a digit, and
then use the

keys to change that digit.