Tektronix MTG100 - Manual (Page 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.
H The BUFFER indicator lights when output data is being transferred from the
hard disk to the buffer.
H The EXT indicator lights when an external reference clock signal is input to
the rear-panel EXT 27MHz REFERENCE IN connector.
H 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
64.000000 Mbps 18 MHz to 32 MHz
45.000000 Mbps 25 MHz to 45 MHz
44.999995 Mbps 19 MHz to 28 MHz
32.000005 Mbps 26 MHz to 40 MHz
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:
H 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).
H 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:
H 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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