Tektronix MTG100 Manual do Utilizador descarregar pdf (Página 36)

Operating Basics

MTG100 & MTG300 MPEG Generator User Manual

2Ć3

off if the reference clock frequency shifts outside of the ranges listed in

Table 2-1.

 The BUFFER indicator lights when output data is being transferred from the

hard disk to the buffer.

 The EXT indicator lights when an external reference clock signal is input to

the rear-panel EXT 27MHz REFERENCE IN connector.

 The HDD indicator lights when the hard disk drive is in operation.

Table 2Ć1: PLL indicator reference clock frequency range

Output clock frequency Reference clock frequency range

      

      

      

      

Hexadecimal Keypad. Use the hexadecimal keypad to enter values in numeric or

character input modes. The characters A to F are primarily used for hexadecimal

input; instructions are displayed when these keys are used for other operations.

The BS (back space) key deletes previously input digits during numeric input or

deletes the character directly in front of the cursor during character input. The

Enter key confirms numeric and character input.

Left Control Button. The left control button performs the following functions on

the LCD display:

 When the Icon cursor is displayed in the hierarchy display, use this button to

toggle the display of any hierarchy items under the currently selected

hierarchy item on and off (expand or collapse the hierarchy).

 When a pull-down menu is displayed, use this button to select the high-

lighted menu item or to toggle the setting of the highlighted menu item on

and off.

Right Control Button. The right control button performs the following functions

on the LCD display:

 When the Icon cursor is displayed in the hierarchy display, use this button to

toggle the display of any hierarchy items under the currently selected

hierarchy item on and off (expand or collapse the hierarchy).

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Tektronix MTG100 Manual do Utilizador Página 36