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CDM-600 Satellite Modem Revision 7
Front Panel Operation MN/CDM600.IOM
6–21
If CENTER is selected, the following sub-menu is displayed:
CONFIG: CLOCKS: RX BUFFER/CLOCK: CENTER
Follow the instructions on the screen.
CONFIG: CLOCKS: EXT-BASEBAND-CLOCK
To edit the EXTERNAL BASEBAND CLOCK, select the digit to be edited using the
[←] [→] arrow keys. Edit the value of the digit using the [↑] [↓] arrow keys. Press
ENTER.
CONFIG: CLOCKS: EXT-FREQ-REF
For units with Firmware Version: 1.4.0 or greater, and with a High-Stability module
installed:
Edit the selection using the [↑] [↓] arrow keys. Press ENTER.
CONFIG: CLOCKS: INTERNAL REFERENCE
For units with Firmware Version: 1.4.0 or greater, with a High-Stability module installed,
and with the Hi-Stability Internal 10 MHz Reference selected:
Very fine adjustment of the Internal 10MHz Reference may be made. The adjustment
value is retained in EEPROM memory, and hence is not lost when the Nvram memory is
cleared (which happens on uploading new firmware). Note: changes made to the adjust
value are implemented immediately, not after the ENTER key is pressed.
Select the digit to be edited using the [←] [→] arrow keys. Edit the value of the digit
using the [↑] [↓] arrow keys. Press ENTER.
PRESS ENTER TO CENTER THE BUFFER
OTHERWISE, PRESS CLEAR
EXTERNAL BASEBAND CLOCK = 02048.000 kHz
TYPE = UNBAL (UNBAL,BAL)
INTERNAL HI-STABILITY 10 MHz REFERENCE
FINE ADJUST: +048 (+/-999)
EXTERNAL FREQUENCY REFERENCE: INTERNAL
(HIGH-STABILITY INTERNAL,1,2,5,10,20MHz)