Sony DIRECTV SAT-HD300 Operating Instructions Manual page 112

8. CUSTOM IZATION
8-21. Testing the System
ATSC Signal Test
Checks the signal strength of each off-air digital channel for a selected physical channel
broadcast range* . This may be helpful to determine the best balance and antenna positioning
for receiving broadcasts from different areas.
To see the ATSC signal strength :
1. Press the M ENU button on the remote control to display the on-screen menu.
2. Scroll dow n using "
3. Select the System menu by pressing "
4. Scroll dow n to System Test using "
5. M ove the highlight to the right w ith "
6. Scroll dow n to ATSC Signal Test using "
7. Press "
8. Select one of CH.2-CH.33/ CH.34-CH.65/ CH.66-CH.69 w ith "
9. M ove the cursor to highlight the Start button and press "
* Physical broadcast channels displayed here may not match the channel number w hich is chosen for displayed
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E " on the remote control.
" and the pop-up dialogue box w ill be displayed.
It w ill check each physical channel and report the signal strength of each channel.
Note : W hile the maximum signal strength is 100, the typical signal strength w ill be in the
range from 60 to 85. There should be no obvious change in the picture or sound quality at
these levels. Should the signal fall below this range or fluctuate below this range, you may
experience video macroblocking or audio dropouts, so you should adjust your antenna or
dish, as needed. In general, the higher the signal, the less likely you are to experience pic-
ture quality degredation during adverse w eather conditions such as heavy rain or snow.
by the broadcaster. To confirm the physical channel, tune to the off-air digital channel and press the SIGNAL
button on your remote. The physical channel number w ill be displayed next to the antenna icon.
" .
E " .
G " to display the system test option box.
E " on the remote control.
F G
" to run the ATSC Signal Test.
" .