Memorex MK1970 User's Manual
Contents
1. 20 Specifications qe 21 Belt Clip Install Batteries Microphone Jack Speaker Jack Antenna Function Button Enter Button Lock Button Microphone Speaker 0 Volume On Off Control 11 Liquid Crystal Display 12 Channel Up Down Select Buttons 13 Call Button 14 Monitor Button 15 PTT Push To Talk Button 16 Battery Chamber 1 Pull lock tab down and lift door up towards you to remove battery cover 2 Insert four AAA batteries Position batteries according to polarity markings Note When batteries are low or need charging the BATT LOW indicator will blink Replace alkaline batteries 2 3 LCD Display J Outgoing Call Indicator y Transmit Talk Indicator A Receive Listen Indicator Talk Confirmation Tone Indicator SAVER Auto Battery Save Indicator PRIVATE Private Call Indicator CTCSS Subchannet Indicator Main Channel Display Tone Indicator BER Battery Level Indicator Lock Indicator Turning On Your Unit Rotate ON OFF Volume Control clockwise An audible TONE will indicate the unit is on and then the LCD wili go through a 3 second self test and then go to operational mode Operational Mode Note Whenever the unit is on you can receive communications Auto Battery Power Saver Your unit has a unique circuit designed to extend battery life If the2. Controlled Squelch System is an advanced subcoding system that allows segmentation of a main channel Select subchannel number by pushing and release Channel buttons Push amp Release 5 When desired subchannel is displayed push and release Enter button Push amp Release Exil Calling Another Party To alert another party that you wish to communicate 1 Turn on your MK 1970 2 way radio An audible tone will indicate the unit is on The LCD will go through a 3 second self test and then to operational mode Push amp Release e Note Both the calling and receiving units must be on same channel and subchannel for the call function to work 10 3 Push and release Call Button The 2 indicator icon will flash and the icon will remain on for 3 seconds The unit you are calling will hear a 2 second ring tone Flashing icon Push amp Release Note Your incoming Call audio ringing level is dependent on your unit s volume setting 4 Wait for the party s response or proceed to Talking To Another Party section on next page Talking to another party 3 The icon will appear To send your outgoing message Internal VOX function 1 Turn on your 1970 2 way radio An audible tone will indicate the unit is on The LCD will go through a 3 second self test and then to operational mode with Internal VOX function 4 Hold mic about 2 inches from mouth Spea
3. The MK 1970 unit represents one of the most advanced FM two way radios used FRS Channel Channel Frequency MHz 1 462 5625 2 462 5875 The BEEP icon 3 462 6125 4 462 6375 5 462 6625 Set Beep 6 462 6875 1 Press the Function button 7 462 7125 2 Press the Lock button BEEP icon appears 8 467 5625 3 Press the Enter button to turn on BEEP 9 467 5875 10 467 6125 Cancel Beep 11 467 6375 1 Press the Function button 12 467 6625 2 Press the Lock button BEEP icon disappears 13 467 6875 3 Press the Enter button to turn off BEEP 14 467 7125 IR 19 Lamp Control Specifications The lamp is used to illuminate the Liquid Crystal Display It turns ON every tire you press the MONITOR he lamp will go out 1 General Specifications after 3 seconds A Frequency CH 14 Channels within 462 467 MHz B Receiver Unit 1 Sensitivity For 12 dB sinad uV 0 25 2 Max audio output 10 THD MW 300 3 Max S N ratio 1mV RF input dB 40 n 4 Squelch Sens uV 0 2 EH 5 Audio frequency resp 300 Hz dB 10 3000 Hz dB 10 6 Signal displacement BW KHZ 5 7 Adjacent CH rejection dB 55 8 Intermodulation rejection dB 55 If you press the MONITOR button while the lamp is currently ON 9 Spurious response rejection dB 55 the lamp will discontinue to illuminate Press the MONITOR button again and the lamp will once again illuminate for 3 seconds Note The amount of power consumed with lamp continuously ON is sligh
4. Memcorp Inc Weston FL33331 Printed in Hong Kong Visit our website at www memcorpinc com 052MK197055A Memorex 14 CHANNEL FAMILY RADIO SYSTEM WITH INTERNAL VOX FUNCTION MODEL MK1970 09990900 9999 9995 9999999 9999 BEFORE OPERATING THIS PRODUCT PLEASE READ THESE INSTRUCTIONS COMPLETELY FCC Warnings This device complies with part 15 of the FCC rules operation is subject to the condition that this device does not cause harmful interference FCC Wamings 1 UHF FM Frequencies Features x No Licence Required Controls and Indicators 2 No Air Time Fees Install Batteries NEC Up to 2 mile range LCD Display 4 14 Main Channels Tuming On Your Unit 5 38 CTCSS Subchannels Auto Battery Power Saver 5 LCD Function Display Select Main Channel 6 Talk Confirmation Tone Select CTCSS Subchannel 7 Call Ring Button Calling Another Party PENEN 10 Auto Battery Saver Circuity Talking To Another Party 12 Auto Squelch Talk Confirmation Tone 14 Lock Key Listening For Another Party 14 Belt Clip Auto Squelch m MoOhitOr uen External Microphone Jack 16 Lock Function Beep Function 18 Frequency Range US Lamp
5. ker in a normal voice 5 Release PTT button and listen for response 2 Push and hold PTT button or speak to microphone Release Push amp Hold i Note When you release the PTT button the person you are talking i to will hear a tone indicating that it s ok to talk See talk Note While PTT button is depressed you cannot receive incoming i Confirmation Tone section calis Internal VOX function cannot disable to Talk Confirmation Tone Your listener will hear an audible tone when you release the PTT button This alerts the other party that you ere finished talking and it s OK for them to begin talking To set tone press and hold Enter button for 2 seconds J icon appears To cancel press and hold Enter button again icon disappears Listening For Another Party When finished talking Release Listening mode 1 Release PTT button to receive incoming transmissions Your MK 1970 is always in listening mode when the PTT button is not pressed and you are not in function mode See Advanced Features section Note White PTT button is depressed you catiliob Foeeive calls 14 Auto Squelch Your MK 1970 is equipped with Auto Squelch which automatically shuts off weak transmissions and unwanted noise due to terrain conditions or if you have reached your range limit Monitor Auto squelch can be temporarity removed to allow all signals to enter by pressing the button Moni
6. re are no transmissions within 5 seconds the unit will automatically switch to battery save mode Flashing icon The SAVER icon will fiash Note The Auto Battery Save Circuit does not effect the unit s ability to receive incoming transmissions 5 Select Main Channel 1 14 Rotate ON OFF Volume Control clockwise 1 An audible tone will indicate the unit is on and then the LCD will go through a 3 second self test and then go to operational mode Push amp Release 2 Select channel by pushing and releasing Channel Up Down buttons Channel Scan Push and hold the Channel Up Down buttons for fast channel advance To stop Channel Scan press PTT or Enter button Note 1 Unit must be on same ch nnel and subchannels to communicate 2 Channels 8 12 generally are less used and give better results for communications in most areas 6 Select CTCSS Subchannel 00 38 The CTCSS Subchannel allows the user to utilize a less used channel range 00 38 within a main channel 1 Rotate ON OFF Volume Control clockwise An audible tone will indicate the unit is on and then the LCD will go through a 3 second self test and then go to operational mode 2 Select main channel by pushing and releasing Channel Up Down buttons Push amp Release 3 Push and release FUNC button Small numbers flash next to channel display on LCD Flashing icon Push amp Release Note CTCSS Continuous Tone
7. tly more than with lamp OFF 20 43 Specifications Transmitter 1 Effective radiated power 500 2 Carrier freq stability Hz 500 3 Modulation limiting KHz 2 5 4 Carrier attack time mS 80 5 Audio frequency response 300 Hz dB 10 3000 Hz dB 10 6 Audio distortion 3 7 Hum and Noise dB 40 D Power Supply 1 Battery life 1 1 8 Ratio HR 30 2 Batterv AAA x 4 V 48 60
8. tor Push amp Hold 1 Push and hold the button allow all signals to enter wn External Microphone Speaker Jack External Microphone Jack Activate Voice Activation Function Your MK 1970 can be fitted with an external microphone freeing your hands for other tasks To attach the external microphone 1 Open Mic Spkr tab on top of unit 2 Insert jack into the Mic port Voice activation function will automatically turn ON 3 Unplug Mic plug to activate internal voice activated hand free transmission Internal VOX Note External microphone and external speaker is not included with this unit 16 Advanced Features Lock Function The purpose of the LOCK function is to lock most buttons to avoid accidental operation To engage the LOCK function Flashing icon Push amp Release 1 Push and hold Lock button for 2 seconds e icon appears Most buttons are locked 2 To unlock push and hold Lock button for 2 seconds again Button are unlock and disappears Note Call button Monitor button and PTT button do not lock are fully operational while the unit is locked The unit cannot lock while in function mode Note a i h I eS Incase vou hear Been indicator does Display turn off and tuin on the unit for reset phen He LU Advanced Features Frequency Range BEEP Function
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