RMYTSL910STL TRANSMITTER

TSL910 RSL900 STL SYSTEM OPERATOR AND SERVICE MANUAL 1 INST ALLATION The installation of any electrical equipment should be made by trained technicians who know the risks related to handling electrical supplies. Before proceeding with the installation, it is necessary to verify that the equipment is in compliance with the rules of the Country where the unit will operate. Before connecting the transmitter to the AC source, it is necessary to verify that the voltage range reported in the back of the unit matches the voltage of the AC supplied. Here are some important details about electrical systems. ELECTRICAL SYSTEM Depending upon the exact location of the site, el ectricity is subject to more or less fluctuations in power. Fluctuation in voltage is not the only issue you can have with electricity. Most of the time, you can have spikes and peaks of power that last for very short intervals but that are sufficient to destroy your device. There are many devices on the market that protect the AC line and they are all useful (surge suppressors, stabilizers etc.). However, only one is really mandatory to avoid disasters caused by the AC. It is called an ISOLATION TRASFORMER. The isolation transformer creates a physical separation from the input of your AC line to the trasmitter. Anything destructive that would come through the AC, stops in the transformer and cannot reach the transmitter. This device is indispensable because, in the last 10 years, the broadcast industry has developed new smaller power supplies that are very light. They did this to allow the units to be lighter for easy trasportation. Unfortunately, the side the downside is that the big transformers that were located inside the units protecting them, have been removed. The new AC-DC power supplies do not give any sort of protection. The isolation transformer is necessary to give that protection. A big isolation transformer installed where the AC enters the site p rotect not only one specific device, but all of the equipment that are in the same building. 2 If you want to protect only one specific device and you want to know what size of tranformer you will need, you can multiply the output watt power of your device by 2.5 and you will have the Watts needed by your isolation transformer. (Example: for a 1000 W transmitter you need at least a 2.5KWatt isolation transformer). If you want to protect more devices you should add the wattage of every unit and multiply by 2.5. Once you have your transformer installed, you need to verify how good your ground system is. Every good electrician should have a proper device to measure the ground. Money invested in measuring your ground can fix problems and avoid bigger expenses in the future. Every rack and every unit must be connected to ground. Once that the electrical connections have been verified, you need to connect the antenna to the transmitter through the coaxial cable. Verify that the connector is properly tighten and, in case you have a rigid coaxial cable feeding the transmitter, install a pigtail with proper power capability and more flexibility so that you do not put too much pressure on the connector. Before proceeding to operate, we strongly recommend that you make double sure an adequate grounding system has been set. Nicom will not be held responsible for damages to persons and materials if these guidelines are not followed. The positioning of the transmitter inside the room is equally important. If the unit is placed in a rack, make sure there is enough space around for the air to circulate. Remember that fresh air is positioned lowest in the room. Place your transmitter as low as possible, but not too close to the floor to avoid damages due to humidity. Leave at least 2 feet of space behind the transmitter to allow the warm air flow to circulate without obstruction. We highly recommend to keep the room cool with an air conditioning system, so that the unit can work at a constant temperature without excessive humidity (between 60 and 75 degrees); a temperature over 75 degrees causes the unit to work in a stressed environment which can negatively impact the life and performance of the unit. 3 CONNECTI ON AND OPERATION 1.First, connect the transmitting cable coming from the antenna to the corresponding connector placed in the rear panel of the unit; check that it is tightened properly. 2.Then connect the plug to the AC mains and also make a good ground connection. 3.Once these procedures have been performed, you can turn the power on. The transmitter requires about 20 to 30 seconds to perform the internal checks and lock onto the frequency. After that, it will start delivering power. 4.Always start with low power and keep an eye on the reading of the reflected power to be sure that your system (antenna, cables etc.) is performing well. 5.Allow the unit to warm up for about 30 minutes and then you can increase the power to the desired level. 6.Wait another 30 minutes to verify that everything is working properly. 7.Check the air coming out from the rear fans and verify that it is just warm air not overly hot. At this point, if everything looks good, you can consider your installation successful. 4 SAF ETY SUGGESTIONS Thank you for your business. We at Nicom appreciate our partnership with you and your broadcasting team. We proudly stand behind our products. Regardless of how well our electrical equipment is designed; personnel can be exposed to dangerous electrical shock when protective covers are removed for maintenance or other activities. Therefore, it is incumbent on the user to see that all safety regulations are consistently observed and that each individual assigned to the equipment has a clear understanding of first aid related to electrical shocks (see next pages). In addition, these safety practices must be followed: •Do not attempt to adjust unprotected circuit controls or to dress leads with the power on. •Always avoid placing parts of the body in a series between…

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APPLICANT: NICOM USA, INC. FCC ID: RMYTSL910 IC: 4788A-TSL910 EXTERNAL PHOTOS FRONT VIEW AND TOP VIEW REAR VIEW BOTTOM VIEW LEFT SIDE VIEW RIGHT SIDE VIEW

APPLICANT: NICOM USA, INC. FCC ID: RMYTSL910 IC: 4788A-TSL910 Label Location

APPLICANT: NICOM USA, INC. FCC ID: RMYTSL910 IC: 4788A-TSL910 INTERNAL PHOTOS MOTHERBOARD – FRONT VIEW MOTHERBOARD – REAR VIEW AMPLIFIER BOARD – FRONT VIEW AMPLIFIER BOARD – REAR VIEW CONTROL BOARD – FRONT VIEW CONTROL BOARD – REAR VIEW DISPLAY – FRONT VIEW DISPLAY – REAR VIEW VCO BOARD – FRONT VIEW VCO BOARD – REAR VIEW

849 NW STATE ROAD 45 PHONE: 888.472.2424 OR 352.472.5500 NEWBERRY, FL 32669 USA EMAIL: [email protected] WEB: HTTP://WWW.TIMCOENGR.COM An IIA Company RF Exposure Evaluation Report APPLICANT NiCOM USA, INC ADDRESS 1690 CACTUS ROAD SAN DIEGO CA. 92154 USA FCC ID RMYTSL910 MODEL NUMBER Tsl910 PRODUCT DESCRIPTION FM BROADCAST TRANSMITTER DATE SAMPLE RECEIVED 12/31/2018 FINAL TEST DATE 1/14/2018 PREPARED BY Tim Royer TEST RESULTS PASS FAIL Report Number Report Version Description Issue Date 2249UT18 MPE_TestReport_ Rev1 Initial Issue 10/15/2019 THE ATTACHED REPORT SHALL NOT BE REPRODUCED EXCEPT IN FULL WITHOUT THE WRITTEN APPROVAL OF TIMCO ENGINEERING, INC. TABLE OF CONTENTS GENERAL REMARKS ........................................................................................................ 2 GENERAL INFORMATION ................................................................................................ 3 ANTENNA INFORMATION ............................................................................................... 3 MPE CALCULATION ......................................................................................................... 3 MPE TABLE ..................................................................................................................... 5 GENERAL UNCONTROLLED EXPOSURE ......................................................................................... 5 GENERAL CONTROLLED EXPOSURE ............................................................................................ 6 Applicant: NiCOM USA, INC FCC ID: RMYTSL910 Report: 2249UT18 MPE_TestReport_Rev1 Page 2 of 6 GENERAL REMARKS Summary The device under test does: Fulfill the general approval requirements as identified in this test report and was selected by the customer. Not fulfill the general approval requirements as identified in this test report Attestations This equipment has been tested in accordance with the standards identified in this test report. To the best of my knowledge and belief, these tests were performed using the measurement procedures described in this report. All instrumentation and accessories used to test products for compliance to the indicated standards are calibrated regularly in accordance with ISO 17025 requirements. I attest that the necessary measurements were made at: Timco Engineering Inc. 849 NW State Road 45 Newberry, FL 32669 Designation #: US1070 Prepared by: Name and Title Tim Royer, Project Manager / EMC Testing Engineer Date 10/15/2019 Applicant: NiCOM USA, INC FCC ID: RMYTSL910 Report: 2249UT18 MPE_TestReport_Rev1 Page 3 of 6 GENERAL INFORMATION EUT Description FM BROADCAST TRANSMITTER Model Number Tsl910 EUT Power Source ☒110–120Vac, 50– 60Hz ☐ DC Power ☐ Battery Operated Test Item ☐ Engineering Prototype ☒ Pre-Production ☐ Production Type of Equipment ☒ Fixed ☐ Mobile ☐ Portable Antenna Connector external N Type Test Conditions The temperature was 26ºC Relative humidity of 50%. Modification to the EUT No Modification to EUT. Applicable Standards FCC CFR 47 Part 2.1091 Test Facility Timco Engineering Inc. at 849 NW State Road 45 Newberry, FL 32669 USA. Designation #: US1070 ANTENNA INFORMATION Manufacturer Provides Antenna Type Max Gain (dBi) No Unspecified 0 dBi POWER OUTPUT OF EUT Frequency (MHz) Rated Output Power (W) 950.4 20 Applicant: NiCOM USA, INC FCC ID: RMYTSL910 Report: 2249UT18 MPE_TestReport_Rev1 Page 4 of 6 MPE CALCULATION The minimum separation distance is calculated as follows: MPE LIMITS Applicant: NiCOM USA, INC FCC ID: RMYTSL910 Report: 2249UT18 MPE_TestReport_Rev1 Page 5 of 6 MPE Table General Uncontrolled Exposure The limit for General Uncontrolled Exposure Environment is calculated as shown in FCC Pt. 1.1310, Table B: Variable Value Max Power 20 W Frequency Range 944 - 952 MHz Duty Cycle (at full power) 100% Max Antenna Gain 0 dB Coax Loss 0 dB Power Density 0.6336 mW/cm 2 Minimum Separation Distance 50.12 cm EUT 20 cm (Standard MPE Distance) 50.12 cm 0. 6336 mW/cm 2 3.978 mW/cm 2 Applicant: NiCOM USA, INC FCC ID: RMYTSL910 Report: 2249UT18 MPE_TestReport_Rev1 Page 6 of 6 General Controlled Exposure The limit for General Controlled Exposure Environment is calculated as shown in FCC Pt. 1.1310, Table A: Variable Value Max Power 20 W Frequency Range 944 - 952 MHz Duty Cycle (at full power) 100% Max Antenna Gain 0 dBi Coax Loss 0 dB Power Density 3.168 mW/cm 2 Minimum Separation Distance 22.41 cm EUT 20 cm (Standard MPE Distance) 22.41 cm 3.168 mW/cm 2 3.978 mW/cm 2

849 NW STATE ROAD 45 PHONE: 352.472.5500 NEWBERRY, FL 32669 USA EMAIL: [email protected] WEB: HTTP://WWW.TIMCOENGR.COM An IIA Company FCC Part 74 FM STL & LPAS Test Report APPLICANT NiCOM USA, INC 1690 CACTUS ROAD SAN DIEGO CA. 92154 USA FCC ID RMYTSL910 MODEL NUMBER Tsl910 PRODUCT DESCRIPTION STL TRANSMITTER DATE SAMPLE RECEIVED 12/27/2018 DATE TESTED 12/28/2018 TESTED BY Tim Royer APPROVED BY Franklin Rose TEST RESULTS PASS FAIL Report Number Report Version Description Issue Date 2249UT18_PT74 STL TestReport_ Rev1 Initial Issue 01/30/2019 Rev2 To Correct Issue Date of report 03/12/2020 THE ATTACHED REPORT SHALL NOT BE REPRODUCED EXCEPT IN FULL WITHOUT THE WRITTEN APPROVAL OF TIMCO ENGINEERING, INC. TABLE OF CONTENTS GENERAL REMARKS ........................................................................................................................................... 2 GENERAL INFORMATION ................................................................................................................................... 3 FREQUENCY OF OPERATION .............................................................................................................................. 4 TEST FREQUENCIES ........................................................................................................................................... 5 RESULTS SUMMARY ........................................................................................................................................... 6 RF POWER OUTPUT ........................................................................................................................................... 7 FCC PART 2.1033(C)(8) ..................................................................................................................................... 8 T EST DATA: POWER IN THE FINAL STAGE ............................................................................................................... 8 MODULATION CHARACTERISTICS ..................................................................................................................... 9 AUDIO FREQUENCY RESPONSE ........................................................................................................................ 10 T EST DATA: AUDIO FREQUENCY RESPONSE PLOT ......................................................................................................... 10 AUDIO INPUT VS MODULATION ...................................................................................................................... 11 T EST DATA: MODULATION LIMITING: N/A .................................................................................................................. 11 OCCUPIED BANDWIDTH .................................................................................................................................. 12 T EST DATA: OCCUPIED BANDWIDTH TABLE .......................................................................................................... 13 20 DB OCCUPIED BANDWIDTH PLOT LOW END OF BAND ........................................................................................... 13 20 DB OCCUPIED BANDWIDTH PLOT MIDDLE OF BAND ............................................................................................. 14 20 DB OCCUPIED BANDWIDTH PLOT HIGH END OF BAND .......................................................................................... 15 EMISSION MASK ............................................................................................................................................. 16 EMISSION MASK PLOT LOW END OF BAND, STL MASK............................................................................................... 17 EMISSION MASK PLOT MIDDLE OF BAND, STL MASK ................................................................................................. 18 EMISSION MASK PLOT HIGH END OF BAND, STL MASK .............................................................................................. 19 SPURIOUS EMISSIONS AT ANTENNA TERMINAL ............................................................................................. 20 T EST DATA: LOW FREQUENCY ........................................................................................................................... 21 T EST DATA: MIDDLE FREQUENCY ....................................................................................................................... 21 T EST DATA: HIGH FREQUENCY .......................................................................................................................... 21 RADIATED FIELD STRENGTH OF SPURIOUS EMISSIONS ................................................................................. 22 T EST DATA: LOW FREQUENCY ........................................................................................................................... 24 T EST DATA: MIDDLE FREQUENCY ....................................................................................................................... 24 T EST DATA: HIGH FREQUENCY .......................................................................................................................... 25 FREQUENCY STABILITY ................................................................................................................................... 26 T EST DATA: FREQUENCY STABILITY TABLE ................................................................................................................. 27 T EST DATA: FREQUENCY STABILITY PLOT .................................................................................................................. 28 STATEMENT OF MEASUREMENT UNCERTAINTITY ............................................................................................ 29 EQUIPMENT LIST ............................................................................................................................................. 30 Applicant: NiCO…

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TEST SETUP PHOTOGRAPHS Applicant: NiCOM USA, INC FCC ID: RMYTSL910 Conducted Measurements TEST SETUP PHOTOGRAPHS Field Strength of Spurious Emissions < 1 GHz TEST SETUP PHOTOGRAPHS Field Strength of Spurious Emissions > 1 GHz TEST SETUP PHOTOGRAPHS Frequency Stability