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Signal Meter DSM 20 SAT 860-2400MHz + DiSEqC
Cod: R10220
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Signal Meter DSM 20 SAT 860-2400MHz + DiSEqC
View of DSM-20

DSM 20 is intended to aid in the alignment of a satellite dish, both analog and digital one. With its compact construction, the use of the meter is extremely easy and almost intuitive. It allows a thorough and simultaneous measurment of LNB signal and video and sound carriers. In addition, the instrument allows to listen to audio from the SAT channel selected on the receiver – satellite identification. It is designed for professional SAT TV technicians and amatours who want to align their SAT dishes.
Signal Meter DSM 20 SAT 860-2400MHz + DiSEqC
The set includes mini earphones

SPECIFICATIONS:
    * Readout diplay - 70 points (6 and 10 diod graph bar).
  • Frequency 860 - 2400 MHz, max. sensitivity - 50 dBm.
  • FINE Mode. A decrease of readout display – increased sensitivity. Entering and exiting the Fine Mode after pressing the Fine button.
  • BEEP - acoustic signal of the LNB level (it intensifies with the level of LNB signal).
  • Polarization indicator V , H .
  • Signal indicator 22kHz.
  • Converter current indicator -10, 100, 200mA. It allows to evaluate the correctness of all connections as well as the preliminary assessment of the converter ( max. power consumption - 70mA).
  • Monitor 6 DiSEqC commands.
  • Diod FIXED – satellite identification based on the detected audio from SAT channel selected on the receiver. A lit diod indicates an audio siganl level on a selected channel.
  • Earphone socket for listening to audio signal from s selected channel.
Signal Meter DSM 20 SAT 860-2400MHz + DiSEqC
The set includes an audio signal adder

MEASUREMENT
Measurement Satellite dish alignment for max. performance.
  • Using a compass, the user should aproximately point the antenna to a desired satellite.
  • Converter should be connected to the meter's LBN terminal and the RECEIVER terminal is connected to a SAT receiver or power supply, 13 to 18V (important - “+” in the center).
  • Turning the antenna, find the strongest signal – SIGNAL LEVEL indicator.
  • Switch the meter to FINE mode and tighten the mounting bolts of the dish. Signal level indicator should be watched for any changes. Satellite dish alignment for max. performance, audio, Satellite identification.
  • Plug the audio adder both to the IF socket and the SAT receiver's audio socket. Select a channel on the receiver from a desired satellite. Turn off the DiSEqC signal (it may cause interference). Set the VOL.Level to its highest position. required only when listening to audio reception and identifying a satellite.
  • Using a compass, point the antenna in the approximate direction of the sought satellite.
  • Connect the converter to the LNB terminal of the meter and the audio adder to the RECEIVER terminal of the meter.
  • Turning the antenna, find the strongest signal – SIGNAL LEVEL indicator.
  • If the dish is directed at the desired satellite, the FIXED diod will be lit and audio signal will be heard in the earphones. If not, turn the antenna until the next max. signal is found.
  • Switch the instrument to its FINE mode and tighten the mounting bolt of the antenna. Signal level indicator should be watched for any changes.
Meter connection diagram

More about Television measurements in our article "Antenna Signal Measurements"
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Signal Meter DSM 20 SAT 860-2400MHz + DiSEqC
Cod: R10220
 
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