CableTronix CT-DLM870D User Manual - page 10
shows “AUTO” in the bottom of screen, press
, the meter enters auto test mode.
Press
to enter setup of auto test channels, you can
select up to 8 channels for auto test. Using
keys
highlight the desired channel and press
or
to
select. Press
to get back to auto test menu, press
and the selected channels will be tested and the signal
level of analog channel or power of digital channel will be shown in the list.
3.3 Spectrum measurement
In the main menu, press the
keys until the unit
shows “SPECT” in the bottom of screen, press
, the
meter enters spectrum measurement mode.
Using keypad input center frequency and press
, or input
channel number and press
, the unit will enter single
channel spectrum analysis mode and the center frequency is the channel center frequency
and the bandwidth turns to 9MHz.
Using
toggle the cursor of center frequency, then using
tune the frequency.
Press
, then using
adjust the reference
level.
Press
key to move the marker.
Press
to enter next page of soft keys.
Press
to toggle the DIV setting of the testing graphic among: 1dB, 2dB, 5dB, 10dB,
20dB.
Press
to toggle the bandwidth of spectrum analysis in steps of 4.5MHz, 9MHz, 27MHz,
54MHz, All.
3.4 Scan
In the main menu, press the
key until the unit shows “SCAN” in the bottom of
screen, press
, the meter enters SCAN measurement
mode.
Press
and using
adjust the reference
level by step of 5dB.