Nanfone NF-668 Manual Download Page 9 | Manualshive

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Install Lithium battery pack

Put the original Lithium battery pack into the transceiver
correctly as following picture shows

：

Figure 1

Figure 2

Preparation for Using

41

Professional Handheld FM Transceiver

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Summary of Contents for NF-668

Page 1: ...in Features 35 Technical Information 37 Know the Radio 39 Preparation before using 40 Function Operations 46 Function Setting 54 Maintenance 58 Trouble Shooting 59 Appendix CTCSS and DCS chart 61 Cont...

Page 2: ...ely Thanks for purchasing NANFONE transceiver NF 688 688plus Please read this manual carefully to learn its latest functions and operations before using NF 668 is with mini compact size easy to use fe...

Page 3: ...w pc 2 pc 1 pc 1 Lithium battery pack QC passed card User Manual 1 Frequency range 400 470MHz 2 Voice reported function in both English and Chinese Optional 3 High Low power switchable 5W 4 Wide Narro...

Page 4: ...rsion channel 10 FM Radio Know more about the latest news 11 Battery Save and Long Standby 12 Built in Bluetooth Optional All the above function can be programmed by PC The transceiver also has the be...

Page 5: ...temperature range 20 55 Voltage 7 4V Standby Current About 15mAh Power Save Size 100 H 58 W 36 D Weight About 205g TRANSMITTER Frequency Distortion 3ppm Output power 5W Emission current 1 5A Maximum...

Page 6: ...ensitivity 122dBm 12dB SINAD Squelch sensitivity 126dBm RatedAudioPower 500mW Receiving current 380mA Audio frequency distortion 10 Adjacent Channel Selectivity 60dB Intermediation Rejection 60dB 38 T...

Page 7: ...luetooth Multi function Key 3 Indicator 4 VOX 5 Channel 6 Ring Hole7 PTT 8 FM Mnoitor FM 9 FM Call 10 MIC 11 Battery snap 12 Battery 13 SP 14 MIC SP Waterproof Cover 15 Belt Clip Know the Radio 39 Pro...

Page 8: ...picture and rotate it clockwise till tight The antenna in picture only for reference 40 Note Don t hold the machine by antenna or hang the keychain and earphone on it since they will spoil the antenna...

Page 9: ...stall Lithium battery pack Put the original Lithium battery pack into the transceiver correctly as following picture shows Figure 1 Figure 2 Preparation for Using 41 Professional Handheld FM Transceiv...

Page 10: ...Unfold the Battery Press the battery snap like picture shows and push up 42 Figure 1 Figure 2 Preparation for Using...

Page 11: ...belt clip with 3 6 Screws to fix it Note 1 When installing the belt clip do not use any glue to fix crew or it will be bad for casing 2 Take off the belt clip first then the battery pack 43 Preparati...

Page 12: ...ne as picture shows Charging The battery pack is without power when finished and please charge it before using When used for the first time after purchased or Stored over two months the capacity of ba...

Page 13: ...on and it is off when finish charging Charging steps below 1 Insert the AC adaptor line to the charging hole of desk top 2 Connect the power with AC adaptor 3 Put Nimh battery or Radio with battery on...

Page 14: ...fire 4 Do not unload the battery rear case 5 It will cost 5 6 hours for complete charging Turn On Turn on the radio by rotating Power Vox Clockwise When hearing the sound Di it means the radio is on a...

Page 15: ...in pairing state The indicator light on the bluetooth headset flashes in blue when successfully connecting Disconnect the bluetooth headset and turn it off Notes The bluetooth headset should be able t...

Page 16: ...set with the Cell Phone as well as the Two Way Radio Optional Be sure the bluetooh headset is already connected with 668P radio Turn on the cell phone and make it in pairing state The bluetooth headse...

Page 17: ...transceiver the radio will be paused for the moment and you will hear the voice on the other end in the bluetooth headset when there is a signal Notes In order to ensure that using the bluetooth heads...

Page 18: ...other radios short press FM Monitor FM again 2 Long press FM Monitor FM for more than 2 seconds and hear the sound Di Di means to quit the FM 3 Closing the FM function can be programmed by PC Note The...

Page 19: ...reen to tip Scan Function When active the scan function by PC program and turn to the Channel 16 then radio tips the sound of scanning If report 16 it means turn off the scan function Turning on the s...

Page 20: ...above steps to turn to Channel 16 Low Battery Alert 1 Working in Voltage higher 6 5 V Battery shows 1 2 Grid 2 Transmit and receive working but red indicator flashes when voltage lower than 6 5V but...

Page 21: ...cloning state The mutual clone is successful when the light on base transceiver flashes orange again 4 If indicator lights of both two transceivers flashes abnormally in the process of data transmit i...

Page 22: ...e when there is no signal received which not only make it more comfortable at standby mode but also significantly reduces the standby power consumption VOX Function 1 Open the PC software you can choo...

Page 23: ...in to resume launching Oral Channel Indicator Function Open the PC software to choose the language you like When the oral channel indicator function is programmed to be off then the transceiver will n...

Page 24: ...16 when receive signal from one of these four channels it will stop scanning and talk on this channel It s normal that it will be delayed when you open the speaker after activating the scan function t...

Page 25: ...radio or not When is chosen that means you the function be turned on Radio Return Open the PC software to decide whether you will choose the Radio return function or not When is chosen that means you...

Page 26: ...lp extend its lifetime 1 Pleasedon ttrytodisassemblethe Transceiver since non technicians processing may cause damage to the device 2 To use stable power supply please connect the specified USB cable...

Page 27: ...hear members in your group Make sure you are using the same frequency and CTCSS tone as other members in your group Other group members maybe too far away from you make sure you are in the radio s ope...

Page 28: ...ort time after charging The battery pack has been used out and cannot function any longer Please replace it with a new one Make sure the battery is fully charged The receiver voice is not clear and lo...

Page 29: ...159 8 179 9 203 5 241 8 82 5 103 5 131 8 162 2 183 5 206 5 250 3 023 051 114 143 174 251 315 371 445 532 631 723 025 054 115 152 205 261 331 411 464 546 632 731 026 065 116 155 223 263 343 412 465 565...

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