CT-DLM870D
TV SIGNAL LEVEL METER
USER MANUAL
Page 1: ...CT DLM870D TV SIGNAL LEVEL METER USER MANUAL...
Page 2: ...n menu Arrow keys is also used as backspace key when inputing a number is used as a dot when inputing a number 1 RF input 2 Speaker 3 LCD display 4 Charger indicator 5 RS232 communication port 6 DC IN...
Page 3: ...easurement 2 Auto measurement 3 Spectrum analysis 4 Scan 5 Tilt 6 Voltage 7 C N 8 Setup You can directly enter each measurement using short cut of the number in the icon Setup the meter Set the meter...
Page 4: ...automatically shut down when there is no operation Automatic shutdown time options 10minutes 20minutes 30minutes Always on Level unit The current unit of measurement shows in the bottom of the screen...
Page 5: ...ndwidth and sound carrier frequency when the channel type is set to digital it can also be the digital channel center frequency bandwidth modulation mode and the symbol rate Channel Type digital signa...
Page 6: ...ty of the actual signal the user may also need to re edit it Users can edit the user channel plan in the menu of EDIT PLAN Restore If you want to set the unit to factory default select RESTORE and pre...
Page 7: ...eview the highlighted file Single Digital Channel Measurement In main menu select LEVEL icon and press or directly press to enter single channel measurement mode First set the current channel type Pre...
Page 8: ...measured and press Press to enter spectrum analysis of current channel mode for detailed operation please refer to 3 3 spectrum measurement Press to enter the QAM measurement as shown in Figure Enter...
Page 9: ...rrier 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...
Page 10: ...ad 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 bandwid...
Page 11: ...s to quit to previous menu In TILT mode press to enter the setup menu You can set up to 8 channels for TILT test here Using highlight the desired channel and press to select Press to confirm after sel...
Page 12: ...urement key the instrument shall show the battery voltage The meter powers off automatically if there is no operation for set power off time Please use only the charger provided with the meter using a...
Page 13: ...CT DLM870D TV SIGNAL LEVEL METER Quick Start Guide...
Page 14: ...ge In the next item CHANNEL PLAN select the desired channel plan Next item is CONFIG PLAN Here you can set the default settings of all channels Next item is EDIT PLAN Here you can set the parameters o...
Page 15: ...tal and show options of digital channel Enter correct parameters and press Or you can directly quit by pressing the settings will be saved automatically The channel number will become CHD instead of C...
