CableTronix CT-DLM870D User Manual - page 9
Enter spectrum analysis of current channel
Enter A/V measurement mode
Channel NO., Type, Frequency, Bandwidth, Audio IF, Save settings
Press
to enter the spectrum analysis of current channel. For details, please refer to 3.3
spectrum measurement.
Press
to set the type of analog channel or digital channel.
Press
to enter A/V measurement mode, simultaneously
display the channel audio and video carrier frequencies and
signal strength, as well as the relative difference between the
two.
Single Frequency Measurement Mode
In channel measurement modes, using keypad manually input any desired frequency and
press
. If an audio carrier exists on this frequency it will be heard through the speaker.
As this unit is equipped with an FM demodulator, this will measure signal strength of any
transmitted FM signal, and play the audio.
In frequency measurement mode, press
continuously,
the cursor blinks indicating the step of 100MHz, 10MHz, 1MHz,
100KHz, 10KHz
, you can increase or decrease the frequency
by pressing
keys in the step where the cursor is
located.
Channel Audio Carrier Signal Strength
In the single analog channel measurement mode, press
to shift the unit between video carrier frequency mode (shows
CHV in the channel number) and Audio carrier Frequency
mode (shows “CHA” in the channel number).
The unit will display the audio carrier frequency, the signal
strength and play the audio.
3.2 Auto test mode.
In the main menu, press
keys until the unit