OPERATION
When the Translator is initially powered up, it may be necessary to select the Serial Time Code
being input to the Translator at BNC connector J8 on the rear panel of the unit. To select the
desired input code press the NEXT switch which will change the LCD Display to the Select
Desired Code Family Menu screen as shown in Figure 3.8.1.1.
The functions after CODE, AC-dc, select whether the input code is Amplitude Modulated (AC)
or DC Level Shift (DC). If the Read DC Code option, TM Option 17, is not installed, selecting
DC will not change the function, and the warning message shown in Figure 3.4.1 will be
displayed. If TM Option 17 is installed see TM Option 17, Read DC Code Option Description,
located in Appendix A.
The SLOW CODE selection requires that the Slow Code Assembly, TM Option 18, be installed.
If the option is installed see TM Option 18 Option Description, located in Appendix A.
3.8.1 TRANSLATOR CODE INPUT SELECTION
The following menus and descriptions are used to allow the user to select type of Serial Time
Code being input to the Translator.
Select Desired Code Family Menu
Figure 3.8.1.1
Select Desired Code Family
IRIG NASA XR3/2137 OTHER
Selecting IRIG, by pressing the switch below IRIG, leads to the Select Desired IRIG Code Menu
as shown in Figure 3.8.2.1, on the LCD Display, allowing the user to select any of the IRIG
Serial Time Codes shown to be translated. Selecting NASA changes the LCD Display to the
Select Desired NASA Code Menu, Figure 3.8.3.1 and selecting XR3/2137 causes the Select
Desired Code Menu, Figure 3.8.4.1 to be displayed on the LCD Display screen.
3.8.2 TRANSLATOR IRIG CODE INPUT SELECTION
The Select Desired IRIG Code Menu allows the user to select the Desired IRIG Serial Time
Code to be translated by the Translator.
Pressing the
PREV switch while this menu is shown on the LCD Display will return it to the Set-
Up Translator Menu, Figure 3.8.3.
Select Desired IRIG Code Menu
Figure 3.8.2.1
Select Desired IRIG Code
A B SP1 SP2 E.1 E1K G H.1 H1K
Symmetricom, Inc. TM7000 TymMachine TCG/T (Rev D) 3-21
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