Hytera Communications MD78XIU1 Digital Mobile Radio User Manual
Hytera Communications Corporation Limited Digital Mobile Radio Users Manual
Users Manual
UHF1 (400–470 MHz) Contents UHF1 (400–470 MHz) UHF1 (400–470 MHz) Contents Contents 1. Product Controls .................................................................................................................................. 1 2. Disassembly and Reassembly ............................................................................................................ 3 3. Exploded View and Packing Guide .................................................................................................... 5 4. Specifications and Blind Spot ............................................................................................................ 8 5. Interface Definition ............................................................................................................................. 12 6. Tuning Description............................................................................................................................. 24 ii UHF1 (400–470 MHz) 1. Product Controls Front Panel No. Part Name No. Part Name Volume Control/Group Call Selector Up Key Knob LED Indicator Down Key LCD Display 10 Speaker OK/Menu Key 11 Redial/Answer/Call Key Back/Group Call Management Key 12 Programmable Keys Dial-back/End/Home Screen Key 13 Microphone Connector Power On/Off Key 14 Microphone Installation Index Note The above-mentioned product control is based on the mobile radio in the trunking mode. In the conventional mode, No. 1 serves as Volume Control / Channel Selector Knob, and No. 6 & No.11 serve as the Programmable Keys. 80 UHF1 (400–470 MHz) Rear Panel No. Part Name No. Part Name RF Antenna Connector Accessory Connector Power Inlet GPS Antenna Connector Note The GPS antenna interface is only available for MD78XG. UHF1 (400–470 MHz) 2. Disassembly and Reassembly 2.1 Disassembling the Radio Step 1 Turn off the radio and remove the power cord, and loosen the two screws to remove the radio. Step 2 Remove the antenna. Step 3 Loosen the three screws to remove the front panel. Then remove the FFC. Step 4 Detach the volume control knob and loosen the four screws. Then remove the PCB from the control panel. Step 5 Undo the clips on both sides of the radio, and then remove the rear cover. 80 UHF1 (400–470 MHz) Step 6 Loosen the eleven screws to remove the upper shield cover. Step 7 Loosen the screw fixing the antenna connector and two screws fixing the PA module. Then take the PCB out. 2.2 Reassembling the Radio To reassemble the radio, perform the above steps in a reverse way. UHF1 (400–470 MHz) 3. Exploded View and Packing Guide 3.1 Exploded View Part list: No. Qty. No. 27 28 29 6300109000000 Aluminum chassis 7500358000000 Heat sink pad 6100492101000 Waterproof ring for front case 4210090000200 Signal cable 5208010100010 Connector (male) 6001079000000 Light-guide plate for keys 7300048000000 Metal dome 6100408001000 Waterproof ring for microphone jack 6100488000000 P+R front panel keys 6201893000000 Speaker fixing sheet 7102606021000 Self-tapping screw 10 11 Part No. Description Description Qty. 6100334000000 4399030000020 41078001000J0 O-ring for encoder switch Rotary switch PCB for control panel 30 6100533101000 31 6300126000000 32 33 34 7103015000000 6001080000000 6100496000000 35 36 37 7103008000400 7500272000000 Waterproof ring for aluminum chassis Upper cover of the aluminum chassis Machine screw Plastic upper cover Conductive silicone rubber for main board Machine screw Heat sink pad Semi-finished PA with heat sink pad 80 Part No. 11 UHF1 (400–470 MHz) No. Qty. No. 38 3414999000020 PNP transistor 39 40 41 42 6100532100000 5208026100000 6100530100000 43 44 45 46 5205002100110 3103994770150 7212002500000 6100531100000 21 22 23 6100404000000 Emergency key 7500344000000 PORON pad 5130000000040 TFT LCD 2.0" TFT 47 48 49 4401000009000 6100494000000 7500159000100 24 25 26 6001078000000 LCD bracket 5202002100270 Board-to-wire connector 7207003700000 Nut 50 7500357000000 6100574100000 7500344000000 Main PCB D_SUB waterproof ring Jack Waterproof ring for power socket Power socket (male) Electrolytic capacitor Nut Waterproof ring for antenna connector BNC RF connector GPS soft stopple Thermal conductive silicone rubber Heat sink pad O_ring PORON pad 17 18 19 20 4210080000700 Speaker cable (with 2-Pin plug) 5001210000390 Speaker 7400297000000 Speaker felt 7102505000110 Machine screw 6001076000010 Front case for control panel 860P580600100 Logo 6201739000000 Inner lining for knob 6000876000000 Encoder knob 6100493000000 Power on/off key 12 13 14 15 16 Part No. Description Part No. Description Note Parts that are not marked with Part No. may vary with the radio frequency band. Qty. 11 UHF1 (400–470 MHz) 3.2 Packing Guide 80 UHF1 (400–470 MHz) 4. Specifications and Blind Spot 4.1 Specifications General Frequency Range 400–470 MHz Channel Capacity 1024 Group Capacity 64 (each with a maximum of 16 channels) Channel Spacing 12.5 kHz / 25 kHz Operating Voltage 13.6V±15% DC Standby: <0.6 A Current Drain Receive: <2.0 A Transmit: 5 W: <5 A; 25 W: <8 A, 45 W: <12 A Frequency Stability ±2.5 ppm Antenna Impedance 50 Ω Dimensions (H×W×D) 60 mm × 174 mm × 200 mm (2.4 inch × 6.9 inch × 7.9 inch) Weight 1.7 kg (3.75 lbs) LCD Display 220*176 pixels, 262000 colors, 2.0-inch, 4 rows Transmitter Low: 1–25 W Power Output High: 1–45 W Conducted/Radiated -36 dBm <1 GHz Emission -30 dBm >1 GHz 10K1F3E@12.5 kHz FM Modulation 4FSK Digital Modulation 15K1F3E@25 kHz 12.5 kHz (data only): 7K70FXD ±2.5 kHz@12.5 kHz Modulation Limit ±5.0 kHz@25 kHz UHF1 (400–470 MHz) 40 dB@12.5 kHz FM Hum and Noise 45 dB@25 kHz 60 dB@12.5 kHz Adjacent Channel Power 70 dB@25 kHz Audio Response +1 dB to -3 dB Audio Distortion ≤3% Digital Vocoder Type AMBE++ or SELP Digital Protocol ETSI-TS102 361-1, -2, -3 Receiver Analog: 0.3 μV (12 dB SINAD) 0.22 μV (Typical) (12 dB SINAD) Sensitivity 0.4 μV (20 dB SINAD) Digital: 0.3 μV /BER5% Adjacent Channel TIA-603: 65 dB@12.5 kHz/75 dB@25 kHz ETSI: 60 dB@12.5 kHz/75 dB@25 kHz Selectivity TIA-603: 75 dB@12.5/25 kHz Intermodulation Spurious ETSI: 70 dB@12.5/25 kHz Response Rejection TIA-603: 75 dB@12.5/25 kHz ETSI: 70 dB@12.5/25 kHz TIA-603: 90 dB Blocking ETSI: 84 dB 40 dB@12.5 kHz Hum and Noise 45 dB@25 kHz Internal (20 Ω load): 3 W Rated Audio Power Max. Audio Power External (8 Ω load): 7.5 W Internal (20 Ω load): 8 W 80 UHF1 (400–470 MHz) External (8 Ω load): 20 W Rated Audio Distortion ≤ 3% Audio Response +1 dB to -3 dB Conducted Spurious < -57 dBm Emission Environment Operating Temperature -30℃ to +60℃ Storage Temperature -40℃ to +85℃ IEC 61000-4-2 (level4) ESD ±8 kV (contact) ±15 kV (air) American Military Standard MIL-STD-810 C/D/E/F/G Dust & Water Protection IP54 Humidity Per MIL-STD-810 C/D/E/F/G Standards Shock and Vibration Per MIL-STD-810 C/D/E/F/G Standards GPS (for MD780XG only) Accuracy specs are for long-term tracking (95th percentile values>5 satellites visible at a nominal -130dBm signal strength). TTFF (Time To First Fix) < 60s Cold Start TTFF (Time To First Fix) <10s Hot Start Horizontal Accuracy <10 m Note All Specifications are tested according to applicable standards, and subject to change without notice due to continuous development. 10 UHF1 (400–470 MHz) 4.2 Blind Spot No. Blind Spot (MHz) No. Blind Spot (MHz) 403.2 414 422.4 432 441.6 450 460.8 468 80 UHF1 (400–470 MHz) 5. Interface Definition 5.1 10-Pin Connector The 10-pin connector on the front panel is used for audio accessories or data cable connection. The definition of each pin is described as below. Pin No. Name Signal Electrical Performance Type Description Pin 1 and Pin 10 (accessory identifier interface 2) compose Accessory identification an Digital input 3.3 V CMOS accessory matrix. Please identification refer to the “10-pin Accessory Identification interface 1 Matrix Table” below for detailed function definitions. PTT PTT input Digital input input for the palm microphone, which is valid at 3.3 V CMOS low level. Load impedance >1 kΩ Accessory audio output. When Vrms=600mV±10%@1 External audio Analog “Mic Audio Output” is selected kHz output via CPS, this pin will output the output 60% system max. received audio signal. deviation When this pin is used for USB USB data USB_D- USB data function, USB function of DB26 cablewill be disabled. Ground GND cable This pin provides power supply to the USB accessory. It outputs USB power Power supply: 5 V; current a 5 V voltage when accessory limiting: 500 mA identification code is 00|01|10, USB_VBUS supply and outputs low level when the code is 11. 12 UHF1 (400–470 MHz) Pin No. Name Signal Electrical Performance Type Description Modulation sensitivity Mic input Analog input Vrms=80mV±10%@1kHz Mic input for palm microphone 60%system max. deviation When this pin is used for USB USB data USB_D+ function, USB function of DB26 USB data cable+ will be disabled. High level by default; valid at low level. HOOK and MONITOR functions: Press this key, the level changes from high to low. When HOOK Digital input 3.3V CMOS palm microphone is detected or press the key of the palm microphone, this pin is used for HOOK function; when desktop microphone is detected, this pin is used for MONITOR function. Pin 1 and Pin 10 (accessory identifier interface 1) compose Accessory 10 an identification Digital input accessory matrix. 3.3V CMOS interface 2 Please identification refer to the “10-pin Accessory Identification Matrix Table” below for detailed function definitions. 10-pin Accessory Identification Matrix Table (composed of Pin 1 and Pin 10): Pin 1 Pin 10 Low level Low level Low level High level Radio Status Reserved The mobile radio is in USB master mode or connected to a USB smart accessory (such as palm microphone with keypad). The mobile radio is connected to an external speaker (including High level Low level desktop microphone with earpiece). 80 UHF1 (400–470 MHz) Pin 1 Pin 10 Radio Status High level High level The mobile radio is in USB slave mode, or it is not connected to any accessory, or it is connected to a palm microphone without keypad. 5.2 DB26 Accessory Interface DB26 accessory interface, namely the 26-pin further development interface on the rear panel, is mainly used for accessory connection of mobile radio, or compatibility with other interfaces. Users can further develop the radio via this interface. The figure and definition of each pin is as follows. Pin No. Name Signal Electrical Performance Type Description Pin 1 and Pin 10 (accessory identification compose Vbus USB interface an 2) accessory Power Power supply: +5V; current identification matrix. This output limiting: 500 mA outputs a 5 V voltage when pin power supply accessory identification code is 00|01|10, and outputs low level when the code is 11. Power Ground supply GPIO 5V TTL GPIO. Programmable via CPS. Power Power supply :13.2V±15%; Power output: 13.2 V; output output output current ≤1 A current: ≤1 A (grounding) GP5_3 (Chan_Act) SWB+ 14 UHF1 (400–470 MHz) Pin No. Name Signal Electrical Performance Type Description Programmable output pin Analog (“External Horn & Lights” feature External Alarm voltage 13 V alarm output by default, programmable via output CPS). Power Power Ground supply (grounding) This pin is used for signal input of Vrms=80 mV±10%@1 kHz Analog external MIC. The audio path is TX Audio 60% system max. signal input valid when the external Mic PTT deviation is held down. Load impedance>1kΩ Default output is 300 mV. The Vrms=300 output signal amplitude can be Analog RX Audio signal output mV±10%@1 kHz 60% system max. changed by modifying the deviation “Analog RX Gain” value via CPS. It forms differential output Analog together with SPK+. Max output power output: 10 W(R=8 SPK- External speaker outputΩ) USB 10 data D+ USB data USB data cable+ cable+ Ground 11 USB_GROUND cable GP5_2 12 GPIO. Programmable via CPS; GPIO 5V TTL (Monitor) Monitor feature by default. Accessory identification interface; high level by default. This pin and 13 ACC_IO2 Digital input Pin 15 (ACC_IO3) can compose 5V TTL three accessory identification statuses. Please refer to the “DB26 Accessory Identification 80 UHF1 (400–470 MHz) Pin No. Name Signal Electrical Performance Type Description Matrix Table” below for detailed function definitions. Emergency switch. This pin is 14 Emerg Sw Digital input 5V TTL valid when low level is input. Accessory identification interface; high level by default. This pin and Pin 13 (ACC_IO2) can compose three 15 ACC_IO3 Digital input accessory identification 5V TTL statuses. Please refer to the “DB26 Accessory Identification Matrix Table”” below for detailed function definitions. Programmable input pin (PTT key of external Mic by default; its 16 PRGM_IN_PTT Digital input 5V TTL function is programmable via CPS). It is valid at low level. Audio 17 Audio Ground (grounding) It forms differential output Analog together with SPK-. Max 18 SPK+ signal External speaker output+ power output: 10 W(R=8 output USB 19 Ω) data D- USB data USB data cable- 5V TTL GPIO. Programmable via CPS. 5V TTL GPIO. Programmable via CPS. cableDigital 20 GP5_8 input/output Ground 21 Ground cable Digital 22 GP5_7 input/output 16 UHF1 (400–470 MHz) Pin No. Name Signal Electrical Performance Type Description Digital 23 GP5_6 5V TTL GPIO. Programmable via CPS. input/output AUX Audio Out Analog Load impedance >1 kΩ Auxiliary audio (external speaker) output Vrms=300 mV±10% output 1 AUX Audio Out Analog Load impedance >1 kΩ Auxiliary audio (external speaker) output Vrms=300 mV±10% output 2 Ignition voltage input >7 V Input pin for ignition voltage 24 25 Analog Ign Sense 26 voltage Detect Pin input Note When a pin is marked with 5 V TTL level, this pin has the pull-up function. If the pin needs to be set to high level, empty this pin. DB26 Accessory Identification Matrix Table (composed of Pin 13 and Pin 15): Pin 13 Pin 15 High level High level Radio Status Default status. The mobile radio is in USB slave mode or not connected to any accessory. The mobile radio is in USB master mode or connected to a USB High level Low level smart accessory (such as palm microphone with keypad). The mobile radio is connected to an external speaker (including Low level High level desktop microphone with earpiece). Low level Low level Reserved 5.3 Other Interfaces J2 (LCD Display Interface) Pin No. Name Description GND Grounding pin VCI 2.5–3.3 V adjustable port VCI 2.5–3.3 V adjustable port IOVCC 1.65–3.3 V adjustable I/O port 80 UHF1 (400–470 MHz) Pin No. Name Description FLM Synchronization signal control port CS Chip select signal RS Register select WR Write signal RD Read signal 10 DB0 11 DB1 12 DB2 13 DB3 14 DB4 15 DB5 16 DB6 17 DB7 18 DB8 19 DB9 20 DB10 21 DB11 22 DB12 23 DB13 24 DB14 25 DB15 26 DB16 27 DB17 28 RESET Reset signal 29 IM3 Select data cable Data bus 18 UHF1 (400–470 MHz) Pin No. Name 30 IM0 31 LEDA 32 LED_K1 33 LED_K2 34 LED_K3 Description LED anode LED cathode J4 (Aviation Interface of Front Panel) Pin No. Name Description ACC_IO1 Digital input PTT_IN Digital input External_Audio Analog output USB_D- USB data cable GND Ground cable USB_VBUS Power supply MIC_IN Analog input USB_D+ USB data cable HOOK Hook signal input 10 ACC_IO2 Digital input J400 (Option Board Interface) Pin No. Signal GPIO1 GPIO2 GPIO3 Function I/O of the Radio resetting I/O GPIO4 GPIO5 Remark (Option Board VDD=3.3 V) GPIO5: output signal of GPIO Voltage RESET-OUT the option VIH MIN=0.7VDD board. VIL MAX=0. 3VDD GPIO4/GPIO5: VOH MIN=0.8VDD Unidirectional VOL MAX=0.22VDD interfaces. They require output their input resistances are 80 greater than or UHF1 (400–470 MHz) Pin No. Signal Function Voltage I/O of the Radio Remark (Option Board VDD=3.3 V) equal to 47 kΩ. 11 UART-TX 13 UART-RX UART-CT 15 UART UART UART-RT 17 I2C –SDA I2C -SCL I/O I2C I2C MCBSP-D MCBSP-W I/O CLK McBSP: Multi-channel MCBSP buffered serial port MCBSP-D 10 MCBSP-F 12 I/O SX 14 AGND AGND 80 AF OB TO 16 mV output AF (standard from the MAX: 700 mV MB option board to the main board) 80 AF MB TO 18 mV (standard output from the main AF MAX: 700mV OB board to the option board) 19 DGND DGND 20 3V6 or 5V Power Voltage: 5.0 V 20 UHF1 (400–470 MHz) J403 (Pin Interface) Pin No. Name Description Vbus USB Power supply: +5 V Ground Ground cable GP5_3 Digital input/output SW B+ sense Power supply External Alarm Analog voltage output Power Ground Power supply (grounding) Tx Audio Analog input RX Audio Analog output Spkr- Analog output 10 D+ USB USB data cable+ 11 USB_GROUDN Ground cable 12 GP5_2 Digital input/output 13 ACC_IO2 Digital input 14 Emerg Sw Digital input 15 ACC_IO3 Digital input 16 PRGM_IN_PTT Digital input 17 Audio Ground Audio ground 18 Spkr+ Analog output 19 D- USB USB data cable- 20 GP5_8 Input/output 21 Ground Ground cable 22 GP5_7 Input/output 23 GP5_6 Digital input/output 24 AUX Audio Out Analog output 80 UHF1 (400–470 MHz) Pin No. 25 Name AUX Audio Out Description Analog output 26 Ign Sense Analog voltage input J404 (Front Panel Interface) Pin No. Name Description INT_MIC Audio input MIC_GROUND Audio input (grounding) ACC_IO1 Accessory identification interface 1 USB_VBUS USB power supply HOOK HOOK PTT PTT USB_D- USB data cable D- USB_D+ USB data cable D+ ACC_IO2 Accessory identification interface 2 10 UART2_RXD_A Volume control port 11 UART2_TXD_B 12 EXTERNAL_AUDIO Audio signal output by accessory (mobile radio) 13 SPKR1+ Speaker audio signal cable+ 14 SPKR1- Speaker audio signal cable- 15 5VD Power supply 16 PRST Reset signal 17 KB_C0 18 KB_C1 19 KB_C2 20 KB_C3 21 B_R0 Matrix keyboard 22 UHF1 (400–470 MHz) Pin No. Name Description 22 B_R1 23 B_R2 24 CSLED Backlight control IC chip select 25 CLOC Backlight control IC clock 26 DATA Backlight control IC data 27 OE_LCD LCD read enable 28 WE_LCD LCD write enable 29 CS2_LCD LCD chip select 30 F_A1_LCD LCD register select enable 31 F_D7 32 F_D6 33 F_D5 LCD data bus 34 F_D4 35 F_D3 36 F_D2 37 F_D1 LCD data bus 38 F_D0 39 GND Grounding 40 PWB_IN Power On/Off signal 80 UHF1 (400–470 MHz) 6. Tuning Description 6.1 Required Test Instruments Radio communication test sets: HP8921 and Aeroflex 3920 Power supply: 15 A/30 V Multimeter Tuner software 6.2 Tuning Procedures 6.2.1 Tuning the Radio After re-assembling the radio, you need to tune it with the Tuner software and HP8921. The specific operations are described in the table below. After tuning the items of the current channel, you must switch the radio to the next channel; otherwise, the adjustments will not be saved to the radio properly. Items Method TX Section 1. Connect the radio to HP8921 via the antenna connector, and set HP8921 to TX test mode. 2. Open the Tuner software and go to “TUNE_DATA -> TX -> Reference Oscillator Warp” in the left navigation tree. Then click the “Transmit On” button. Reference Oscillator 3. Warp Adjust the vernier on the Tuner until the frequency offset between the frequency displayed on HP8921 and the frequency (Tx) displayed on Tuner is less than or equals to ±40 Hz. 4. Click the “Save” button on Tuner to save the existing value to the radio. 5. Click the “Transmit Off” button on Tuner. Here takes the tuning of low TX power for example. 1. Transmit Calibration Power Connect the radio to HP8921 via the antenna connector, and set HP8921 to TX test mode. 2. Open the Tuner software and go to “TUNE_DATA -> TX -> Transmit Power Calibration” in the left navigation tree. Then select an appropriate channel. 24 UHF1 (400–470 MHz) Items Method 3. Click the “Transmit On” button on Tuner. 4. Adjust the power to the required level as follows: Low power: 1 W (for version D/F) Medium power: 25 W High power: 45 W 5. Click the “Save” button on Tuner to save the existing value to the radio. 1. Connect the radio to HP8921 via the antenna connector, and set HP8921 to TX test mode. 2. Set the parameters on the HP8921 as follows: IF Filter: 230 kHz Filter1: <20 Hz HPF Filter2: <15 kHz LPF De-Emphasis: off Transmit-to-Deviation 3. Open the Tuner software and go to “TUNE_DATA -> TX -> Transmit-to-Deviation” in the left navigation tree. Then click the “Transmit On” button. Then set the modulation signal of HP8921 to “100 Hz”. 4. Adjust the vernier on Tuner until the frequency deviation displayed on HP8921 is “5 kHz”. 5. Click the “Save” button on Tuner to save the existing value to the radio. 6. Click the “Transmit Off” button on Tuner. Here takes the low frequency deviation for example. 1. Connect the radio to HP8921 via the antenna connector, and set HP8921 to TX test mode. 2. Set the parameters on the HP8921 as follows: IF Filter: 230 kHz Modulation Balance Filter1: <20 Hz HPF Filter2: <15 kHz LPF De-Emphasis: off 3. Open the Tuner software and go to “TUNE_DATA -> TX -> Modulation Balance” in the left navigation tree. Then select an appropriate channel. 4. Click the “Transmit On” button on Tuner. Then set the modulation signal 80 UHF1 (400–470 MHz) Items Method of HP8921 to “100 Hz”. 5. Adjust the value in the dialog box on Tuner until the frequency deviation displayed on HP8921 is “5 kHz”. 6. Press the Enter key on the keyboard to confirm your settings. 7. Click the “Save” button on Tuner to save the existing value to the radio. 8. Click the “Transmit Off” button on Tuner. 1. Connect the radio to HP8921 via the antenna connector, and set HP8921 to TX test mode. Transmit Oscillator 2. Open the Tuner software and go to “TUNE_DATA -> TX -> Transmit Voltage Oscillator Voltage” in the left navigation tree. 3. Click the “Save” button to save the existing value to the radio. 1. Connect the radio to HP8921 via the antenna connector. 2. Connect the Audio Out port of the radio to the Audio In port of HP8921, RX Section and set HP8921 to RX test mode. 3. Set the parameters on the HP8921 as follows: Output RF signal: -118 dBm/Frequency (current channel frequency) Modulation frequency: 1 kHz Modulation deviation: 3 kHz Front-end Filter 4. Open the Tuner software and go to “TUNE_DATA -> RX -> Front-end Filter” in the left navigation tree. Adjust the vernier on Tuner until the “SINAD” value displayed on HP8921 is greater than 14 dB. 5. Set the output RF signal of HP8921 to -25 Bm/(current channel frequency -36.675 MHz). 6. Adjust the vernier on Tuner until the “SINAD” value displayed on HP8921 is less than 14 dB. 7. Press the Enter key on the keyboard to confirm your settings. 8. Click the “Save” button on Tuner to save the existing value to the radio. 1. Connect the radio to HP8921 via the antenna connector, and set HP8921 Front-end Gain to RX test mode. 2. Set HP8921 to output an unmodulated RF signal with a value of “-70 26 UHF1 (400–470 MHz) Items Method dBm/Frequency (current channel frequency)”. 3. Press the Enter key on the keyboard to confirm your settings. 4. Click the “Save” button on Tuner to save the existing value to the radio. 1. Connect the radio to HP8921 via the antenna connector, and set HP8921 to RX test mode. 2. Receive Oscillator Open the Tuner software and go to “TUNE_DATA -> RX -> Receive Oscillator Voltage” in the left navigation tree. Voltage 3. Set HP8921 to output an unmodulated RF signal with a value of “-47 dBm/Frequency (current channel frequency)”. 4. Click the “Save” button to save the existing value to the radio. 6.2.2 Testing the Radio After tuning all the items of the radio, you need to test the digital RF signal of the mobile radio via Aeroflex 3920 (Digital Radio Test set). Transmitting Step 1 Connect the mobile radio to Aeroflex 3920 via the antenna connector. Step 2 Open the Tuner software and go to “TEST -> TX -> Transmit BER (0.153)”. Step 3 Select the channel to be tested and select the corresponding power level (High Power or Low Power) in “Parameter” on Tuner. Step 4 Click the “Transmit On” button on Tuner. Step 5 Set the parameters on the Aeroflex 3920 as follows: Frq: Be consistent with the TX frequency of the channel to be tested. STD IB 511: .153 Step 6 Observe the “avg” value of “UUT TX Bit Err” parameter in “UUT Measurements” module of Aeroflex 3920, which is the average bit error rate of the tested channel during transmitting. The radio is operating properly when the Aeroflex 3920 parameters are as follows: FSK Error: ≤5% Symbol Clock Err: ≤100 Hz Signal Power: 3.9–4.5W Magnitude Error: ≤1% UUT TX Bit Err = 0% 80 UHF1 (400–470 MHz) Step 7 Click the “Transmit Off” button on Tuner to finish testing. Receiving Step 1 Connect the antenna connector of the radio to the RF port of Aeroflex 3920, and set Aeroflex 3920 as follows (remain default values for other parameters): Frq: Be consistent with the frequency of the channel to be tested. STD IB 511: .153 Lv1 (signal strength): -116 dBm (-110 dBm by default) Step 2 Open the Tuner software and go to “TEST -> RX -> Receiver BER (0.153)”. Step 3 Select the channel to be tested and click the “Start” button on Tuner. Step 4 Observe the “Average Rate” displayed on Tuner. You can set different “Average Num” (the calculation base of BER, which is “10” by default) to obtain different “Average Rate”. Step 5 Modify the value of “Lv1” parameter of Aeroflex 3920, so as to obtain the average BERs of the tested channel under different signal strengths. The mobile radio is operating properly when the average BER is less than 5%. Note When the parameter “Lv1” is set to “-110 dBm”, the mobile radio is operating properly when the average BER is less than 1%. Step 6 Click the “Stop” button on Tuner to finish testing. 28 UHF1 (400–470 MHz) This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: -- Reorient or relocate the receiving antenna. -- Increase the separation between the equipment and receiver. -- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. -- Consult the dealer or an experienced radio/TV technician for help. This equipment complies with FCC radiation exposure limits set forth for an controlled environment. This equipment should be installed and operated with minimum distance 100cm between the radiator and your body. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. This equipment complies with IC RSS-102 radiation exposure limits set forth for an controlled environment. This equipment should be installed and operated with minimum distance 100cm between the radiator and your body. Cet équipement est conforme aux limites d'exposition aux radiations IC CNR-102 établies pour un environnement contrôlé. Cet équipement doit être installé et utilisé avec une distance minimale de 440 cm entre le radiateur et votre corps. This device contains licence-exempt transmitter(s)/receiver(s) that comply with Innovation, Science and Economic Development Canada’s licence-exempt RSS(s). Operation is subject to the following two conditions: (1) This device may not cause interference. (2) This device must accept any interference, including interference that may cause undesired operation of the device. L’émetteur/récepteur exempt de licence contenu dans le présent appareil est conforme aux CNR d’Innovation, Sciences et Développement économique Canada applicables aux appareils radio exempts de licence. L’exploitation est autorisée aux deux conditions suivantes : (1) L’appareil ne doit pas produire de brouillage; 81 UHF1 (400–470 MHz) (2) L’appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d’en compromettre le fonctionnement. 80
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