CHAPTER THREE
Control Functions entered from these screens are inserted into the Serial Time Code Output of
the basic TM7000. They are also output via the Control Function Outputs option if installed.
A “0” represents the OFF condition of the Control Function Bit and a “1” represents the ON
condition.
Pressing the switch below a Control Function Bit number will change it to a “1” if it is a “0” or
to a “0” if is a “1”.
Up to three groups of nine bits of Control Functions may be accessed. Control Function Bit
Display (1) is the first.
Control Function Bit Display (1)
Figure 3.7.10.1
TOGGLE CF BIT 0 1 2 3 4 5 6 7 8
0 1 0 1 0 0 1 1 0
Pressing the PREV switch while this display is shown will return the LCD Display to the Set-Up
Generator Inputs Menu screen.
Pressing the Next switch will change the LCD Display to show Control Function Bits 9 through
17, which allows for setting Control Function Bits 9 through 17.
Pressing the NEXT switch while Control Function Bits 9 through 17 are shown will change the
Control Function Bits to 18 through 26 allowing them to be changed.
Pressing the PREV switch while any of the above screens are shown will change the LCD
Display to the last (previous) screen shown.
Pressing NEXT while Control Function Bits 18 through 26 are shown will cause the LCD
Display to return to the Set-Up Generator Inputs Menu screen, Figure 3.7.8.1.
3.7.11 EXTERNAL START PROCEDURE AND SET-UP
The purpose of this menu screen is to set-up the Generator to start at a preset time on the second.
To use the External Start feature of this unit one must use the following procedure:
a. Connect a 1PPS, TTL level, signal to rear panel BNC connector J6.
b. Stop the Generator as described in Paragraph 3.7.1 of this Users Guide.
3-14 TM7000 TymMachine TCG/T (Rev D) Symmetricom, Inc.
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