Jinsaixun electronics technology co., ltd SM-2008 Operator's Manual

Spectrum qam analyzer

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SPECTRUM QAM

ANALYZER

SM-2008

OPERATOR'S MANUAL

金赛讯(天津)电子技术有限公司

Jinsaixun(Tianjin)electronics technology co., ltd

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Page 1 SPECTRUM QAM ANALYZER SM-2008 OPERATOR’S MANUAL 金赛讯(天津)电子技术有限公司 Jinsaixun(Tianjin)electronics technology co., ltd...
Page 2 Please read this manual carefully before using it for the first time. The technical specifications and operating methods included in this manual are subject to changes without notice. In case of any inquires after a period of usage, please consult the manufacturer.
Page 3: Table Of Contents
CONTENTS Chapter One, Introduction of the Spectrum QAM Analyzer··················3 Chapter Two, Panel Function··································································4 Chapter Three, Detailed Operation Guide···············································6 1. Power On··························································································6 2. Channel Measurement Function·······················································6 3. QAM Measurement Function ······················································· 10 4. Tilt Measurement Function·····························································11 5. Scan Measurement Function ·························································· 11 6.
Page 4: Chapter One, Introduction Of The Spectrum Qam Analyzer
Chapter One, Introduction of the Spectrum QAM Analyzer The product, which newly researched and developed, is the integrative high-tech measuring instrument for the transformation of CATV .It is the smallest color QAM Analyzer in the world. The main function is to measure QAM digital signal and analogue signal. The measurable item includes: power measurement, MER measurement , measurement, constellation, channel...
Page 5: Chapter Two, Panel Function
Chapter Two, Panel Function Fig. 1-1 Refer to Fig.1-1 for explanation of the meter panel. (1) RF INPUT：...
Page 6 It can be changed to BNC or F type as required by the user. (2) LCD Graphic Display： It can display various measured parameters for the function you selected. It has LED background light with autoregulation. (3) Function key： There are four function keys, , they have different functions in different interfaces.
Page 7: Chapter Three, Detailed Operation Guide
(12) Charge port (13) Charge indicator Chapter Three, Detailed Operation Guide 1. Power On Press key to switch on power. The product model and serial number will be displayed on the screen then it will enter main menu automatically. (as shown in fig 2-1) Fig 2-1 2.
Page 8 Fig 2-2 Press key to type in channel number, press key to amplify or shrink the constellation. Press key, then enter the video player function, press key to enter “EDIT” interface to return to main interface. Press to edit channel information. See P18. “Edit Channel” Press key to enter the store measurement results function, press direction keys [ ▲...
Page 9 Fig 2-3 Press again, the user can delete stored records. There will be a dialogue box as shown in fig 2-4. If you want to delete the channel to press key, or press the other key to return to previous interface.
Page 10 When channel table is set to analogue channels, under main menu press number key , then enter the function of channel measurement. (as shown in fig 2-5) Press key, it appears the input box in the position of channel number. Press number keys to input channel number, press to confirm.
Page 11: Qam Measurement Function
Fig 2-6 3. QAM Measurement Function Under main menu press number key , then enter QAM measurement function. It uses graphic constellation to show signal quality and measurement.( as shown in fig 2-7). Fig 2-7...
Page 12: Tilt Measurement Function
4. Tilt Measurement Function Under main menu press number key to enter the function of tilt measurement. (as shown in fig 2-8) Press key to return to main menu. Fig 2-8 There is histogram in the middle side of the screen to display channel level value.
Page 13 Fig 2-9 Press to enter scan set interface. There are Start Frequency, End Frequency, Max Video, Min Video, Max △Video, Max △V/A, Min △V/A, Max △ADJ, Max Power and Min Power. (as shown in fig 2-10) Fig 2-10...
Page 14: Spectrum Analysis Function
Fig 2-11 Press to display measurement result (as shown in fig 2-11). For example, Max Video: CH7/90.2 means max video level is 90.2dB and the channel number is 7. 6. Spectrum Analysis Function Under main menu press number key to enter spectrum analysis function.
Page 15 C: Center frequency measurement. Press number key to input the frequency value, press key to confirm. SP: Bandwidth measurement. Press can change the bandwidth between 4.0M, 8.0M, 20.0M, 40.0M. ◄][►] can Blue Mark: Scale adjustment. Press the direction key [ move around the scale and show the frequency value and the level measurement value of the frequency pointed by the scale.
Page 16: Carrier Noise Ratio Measurement Function
Fig 2-14 7. Carrier Noise Ratio Measurement Function Under main menu press number key to enter carrier noise ratio measurement function. Press key to return to main menu. ( as shown in fig 2-15 ) Fig 2-15...
Page 17: Rail Voltage Measurement Function
Channel number, frequency, level value and carrier noise ratio will be displayed on the screen. Press number keys to input channel number for changing channel. Press to confirm. Note : Only when level value is more than 50dBμV, C/N can be measured.
Page 18 Fig 2-17 There are four functions: initiate channel, edit channel, options and synchronous with the PC. (1)“Init Channel” initiate channel 、 Under [CONFIG] interface press or direction keys [▲][▼] to choose “Init Channel”. Press key to confirm and enter ( as shown in fig 2-18 ) Press direction keys [▲][▼] to choose the needed channel plan, then press key to confirm.
Page 19 Fig 2-18 Fig 2-19 (2) “Edit Channel” 、 Under [CONFIG] interface press or direction keys [▲][▼] to choose “Edit Channel”. Press key to confirm and enter. ( as shown in fig 2-20 )
Page 20 Fig 2-20 or direction keys [▲][▼] to choose channel to be 、 Press edited ( as shown in fig 2-21 ) then press key to confirm and enter edit channel parameter interface. ( as shown in fig 2-22) Fig 2-21...
Page 21 Fig 2-22 a. “Channel” channel number or direction keys [▲][▼] to make arrow point to 、 Press ‘Channel’, then press key to confirm. There will be an underline under current numbers. Then press number keys to input channel number and press key to confirm.
Page 22 Fig 2-23 b. “Ch. Type” channel type or direction keys [▲][▼] to make arrow point to 、 Press ‘Ch. Type’, then press key to switch between “TV”(analogue) “DIGI”(digital). ( as shown in fig 2-24)] Fig 2-24...
Page 23 When the channel is “TV” namely analogue channel, parameters as follows: c. “Video Freq” video frequency or direction keys [▲][▼] to make arrow point to 、 Press ‘Video Freq’, then press key to confirm. There will be an underline under current numbers. Then press number keys to input video frequency, and press key to confirm.
Page 24 Fig 2-26 If the channel is “DIGI” namely digital channel, parameters as follows: e. “Freq” frequency or direction keys [▲][▼] to make arrow point to 、 Press ‘Freq’, then press key to confirm. There will be an underline under current numbers. Then press number keys to input frequency, and press key to confirm.
Page 25 f. “Sym. Rate” symbol rate or direction keys [▲][▼] to make arrow point to 、 Press ‘Sym.Rate’, then press key to confirm. There will be an underline under current numbers. Then press number keys to input symbol rate, and press key to confirm.
Page 26 Fig 2-29 h. “QAM Mode” or direction keys [▲][▼] to make arrow point to 、 Press ‘Mode’, then press key to switch between 16QAM, 32QAM, 64QAM, 128QAM and 256QAM. ( as shown in fig 2-30 ) Fig 2-30...
Page 27 i. “Correct” or direction keys [▲][▼] to make arrow point to 、 Press ‘Correct’, then press key to confirm. There will be an underline under current numbers. Then press number keys to input correct level value( the range is -9.9dB～9.9dB), and press key to confirm.
Page 28 Fig 2-32 a. “Standard” or direction keys [ ▲][▼] to make arrow point to 、 Press “Standard”, then press key continuously to switch between J.83 A/C and J.83 B. J.83 A/C is the European standard which is suitable in mainland China and Europe's user, J.83 B is the North America standard which is suitable for North America's user.（as shown in fig 2-33.) Fig 2-33...
Page 29 b. “Unit” or direction keys [▲][▼] to make arrow point to 、 Press “Unit”, then press key continuously to switch between dBuV、 dBmV and dBm. ( as shown in fig 2-34) Fig 2-34 c. “Volume” or direction keys [▲][▼] to make arrow point to 、...
Page 30 Fig 2-35 d. “Shutdown” automatic shutdown or direction keys [▲][▼] to make arrow point to 、 Press “Shutdown”, then press key continuously to switch between ‘3m’( 3 minutes ) ‘10m’( 10 minutes ) ‘30m’( 30 minutes ) and ‘always’( always on ). ( as shown in fig 2-36 ) Fig 2-36...
Page 31 (3) “Synchronous with the PC” 、 Under [CONFIG] interface press or direction keys [▲][▼] to make arrow point to “Synchronous with the PC” ,then press key to confirm and enter synchronous with the PC function. ( as shown in fig 2-37 ) Fig 2-37 This feature allows instruments and computers synchronization.
Page 32 Fig 2-38 Fig 2-39 Fig 2-40...
Page 33 Fig 2-41...
Page 34: Chapter Four, Power Supply
Chapter Four, Power Supply A piece of high performance built-in battery ( 6V MH-Ni battery ) supplies the power of this instrument. The power supply adapter can supply power also. This instrument can be used 4 hours continuously if fully charged. Note ：...
Page 35: Chapter Five, Technical Data
Chapter Five, Technical Data Frequency range: form 5MHz~870MHz A: Analogue television channels Measurement Bandwidth: 280kHz±50kHz Input impedance: 75Ω Range: 25dBμV～120dBμV ℃ Accuracy: 1.5 dB ( At 25 B: Digital television channels Measurement MER: 19~40dB BER: 1.0E-2 to 1.0E-8 Symbol rate: 1MS/S-7MS/S Demodulation: 16/32/64/128/256QAM DVB-C/ITU-T J.83-AnnexA/B/C Digital power: 40dBμV-110dBμV...
Page 36 金赛讯(天津)电子技术有限公司 Jinsaixun(Tianjin)electronics technology co., ltd +86-22-28244556 www.tjjinsaixun.com...