64
Model Three - Operation Manual
Press the
FCN
FCN
0
key to input the channel number or use the
__
and
keys. During testing, press the
F
2
(TRIG)
key to execute the
power testing once. MER and BER testing will execute after power
testing.
When the meter is locked on a digital channel, the Interleave Depth
standard of the signal will appear in the upper-right corner of the
display.
Press the
F
3
(DOWN)
key to use
F
1
F
1
and
F
2
keys to set the
Scale and Reference for the display.
Press the
F
3
(DOWN)
key to use the
F
1
F
1
key to switch the display
between pre-BER and post-BER measurements.
In this mode, press the
SET
SET
7 STU
key to view the settings for the current
channel. You can setup center frequency, bandwidth, modulation
mode, symbol rate, and other digital channel settings.
QAM Frequency Mode
The Model Three provides a frequency mode to easily view and setup
the key measurement parameters for QAM testing. Press the
F
1
F
1
(FREQ)
key to display the frequency mode.
To change the measurement frequency, press the
FCN
FCN
0
key and enter
the new measurement frequency.
The table shown on the following page describes the menu structure of
the QAM frequency mode and the options available by pressing the
F
3
key.
