Select:) Util (Utility) Menu Branch; Util:) Rt-Clk; Util:) Ref - Comtech EF Data CDM-710 Installation And Operation Manual

CDM-710/L Broadcast Satellite Modem
Front Panel Operation
7.2.6

(SELECT:) Util (Utility) Menu Branch

Use the  arrow keys to select RT-Clk, Ref, ID, Display, Firmware, or FAST.
Press ENTER.

7.2.6.1 (UTIL:) RT-Clk

Use this screen to edit the time and date settings of the real-time clock. Use the
  arrow keys to select the digit, and then use the  arrow keys to change
that digit. Press ENTER.
The date is shown in DAY/MONTH/YEAR format in accordance with
international convention.

7.2.6.2 (UTIL:) Ref

Use this screen to perform fine adjustment for the internal 10 MHz reference.
For 'Tx Only' or 'Full Duplex' units, use the Tx IF Carrier to check the reference
frequency by first placing the unit in the Tx-CW test mode (from the (Select):
Test Mode menu).
UTIL: RT-Clk Ref ID
Display Firmware FAST
Edit Real-Time Clock:
10:23:51 23/05/06(E)
Internal 10 MHz Ref Freq
Fine Adjust:+1911
7–66
MN/CDM710.IOM
Revision 12