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Table of Contents
Summary of Contents for Inotech IT-910C
- Page 1 Digital Signal Level Meters IT-910C Series User Manual...
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Page 2: Revision History
Revision History Revision Description Date Author Created 2014-9-18 INOTECH SHEET 2 OF 11... -
Page 3: Table Of Contents
Content 1. Note ................................. 4 2. Product Description ........................... 5 Introduction ................................ 5 Front panel and description ........................... 5 3. Operation Instructions ..........................6 Power on/off the meter ............................ 6 Single channel/frequency measurement ....................6 Tilt measurement .............................. 7 CNR measurement............................8 Voltage measurement ............................ -
Page 4: Note
1. Note First Operation Please read this manual carefully before using this product. Specification Changes Technical specifications and operation 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. Warranty Our policy is one year warranty from the date of shipment and lifetime maintenance. -
Page 5: Product Description
2. Product Description Introduction IT-910C is specially designed and manufactured for analogue and digital CATV system installation and testing. This portable instrument is easy to carry and has many functions. It can test CATV signal level at channel and frequency mode. Analog signal measurement functions include CATV TILT, C/N, trunk cable voltage, and digital signal analyses include MER, BER ,average channel power and constellation diagram. -
Page 6: Operation Instructions
3. Operation Instructions Power on/off the meter Slide power button to left location to turn on the meter. Meter will enter main menu after boot screen, as Fig. 3- 1 shows. Slide power button to right location to turn off the meter. Fig. -
Page 7: Tilt Measurement
Fig. 3-3 Fig. 3-4 Fig. 3-5 3.2.3 Digital channel measurement Digital channel measurement results show as Fig. 3-4 and 3-5. Average channel power, MER, BER constellation diagram are shown. Press up/down direction key or press F1 key to revise the channel that need test. Press Mute to return to main menu. -
Page 8: Cnr Measurement
Fig. 3-6 Fig. 3-7 CNR measurement Use directional/enter key to select ‘CNR’, or press numerical ‘3’ key to enter directly in main menu, as Fig. 3-8 shows. Use numerical and enter keys or up/right keys to revise measurement channel. Note: This function is only available when input RF level is higher than 50dBuV. Fig. - Page 9 Fig. 3-10 Fig. 3-11 3.6.2 Edit Channel Use up/down direction key and enter key to enter Edit Channel screen. Also use up/down direction key and enter key to select channel that need edit, as Fig. 3-12 and Fig. 3-13 show. Analog channel edit screen as Fig.
- Page 10 Digital channel edit screen as Fig. 3-13 and 3-14. Channel number: Press direction keys up/down to select ‘CH’, then press enter key to confirm. Press number keys to input channel number and press enter key to confirm. If the input channel number exists, channel number will remain unmodified.
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Page 11: Technical Specifications
4. Technical Specifications Analog Channels Measurement Frequency range 48~870MHz Frequency resolution ratio 50KHz Bandwidth 280KHz RF Level Measurement RF input range 20~120dBuV Accuracy +/-1.5dB(25+/-5 degree C) Resolution 0.1dB Detection Peak C/N Measurement RF input range > 50dBuV Accuracy +/-2dB Resolution 0.1dB Tilt Measurement Maximum channels supported...
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