Eye Pattern Pane Menu Selections; Tvm Series Installation And Operation Handbook; Copyright © 2008, Harris Corporation; Jitter High Pass Filter (Hpf) Selection - Videotek TVM9100PKG Installation And Operation Handbook

Once the cursors are no longer necessary, press and hold the CURS button to return to
the Cursor menu and disable the cursor selection submenus. The check mark indicates
the cursor is enabled, and no check marks indicate the cursor is disabled.
To exit the cursor function while leaving the cursors active, just select another mode in
the pane (e.g., Line Select, Variable Gain, etc.).

Eye Pattern Pane Menu Selections

Pressing and holding the EYE function button or the DISPLAY PANE button in the
active Eye Pattern pane selects the pane menu. Use the SETUP POSITION knobs or
the NAVIGATION buttons to navigate the Pane menu.
The Eye Pattern Pane menu is described in Table 3-13 for SD-SDI monitoring, and
Table 3-14 for HD-SDI monitoring. The difference between the two menus is the
Trigger Mode selections of 10 EYE and 20 EYE.

Table 3-13. Eye SD-SDI Pane Menu Structure

Selection
JITTER HPF
TRIGGER MODE
EYE PATTERN SETUP

Table 3-14. Eye HD-SDI Pane Menu Structure

Selection
JITTER HPF
TRIGGER MODE
EYE PATTERN SETUP

Jitter High Pass Filter (HPF) Selection

Because jitter on the data can develop from many sources and have a unique frequency
distribution, the bandwidth of the sampling clock recovery circuit will affect the
displayed jitter if the frequency of the jitter is within the bandwidth of the clock
recovery circuits. Above the loop bandwidth, the loop has no effect on the jitter. While
within the bandwidth, the apparent jitter displayed will be satisfied by the loop
response.
To access the jitter high pass filter selections, press the EYE button until Eye Pattern
pane menu appears. Select between 10 Hz, 100 Hz, or 1 kHz is high tally. When 10 Hz,
100 Hz, or 1 kHz is selected, the –3 dB response points only allow jitter above the
48
General Operation
Selection Option
10 Hz
100 Hz
1000 Hz
OVERLAY
10 EYE
Press ENT
Selection Option
10 Hz
100 Hz
1000 Hz
OVERLAY
20 EYE
Press ENT

TVM Series Installation and Operation Handbook

Copyright © 2008, Harris Corporation