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Richard MVT-7100 Owner’s Guide Owner's Manual

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Rich Wells - N2MCA
In an effort to better understand the operation of the Yupiteru MVT-7100, and to offer a valuable resource to
other people who may be using these wonderful radios, I wrote this owner's guide.
It does not hurt that the originally supplied manual that comes with the radio is rather poor. Like many
translations from the original Japanese, the grammar leaves much to be desired. And, on the whole, the
organization of the topics is not helpful in gaining a useful understanding of the radio and how all the pieces
This guide goes through the operation of the MVT-7100 in a step-by-step process starting with the basics
and builds up to the operation of the more advanced features.
While I've never had the pleasure of playing with the MVT-7200, most of what appears here should apply to
it. Where there are differences that I know of between these two radios, I have pointed them out as best I
Feel free to make copies of this document and distribute as you see beneficial to the radio monitoring
hobby as long as it is done FREE of charge. I simply ask that this information be kept intact. A lot of hard
work and effort has gone into the writing of this guide. I would appreciate it if every effort is made to keep
this document whole with me as the original author.
If you would like to share your thoughts about this owner's guide, have suggestions for its improvement or
have further questions, feel free to send me e-mail.
Happy reading and strong signals!
Rich Wells
Table Of Contents
Definitions &
Available Modes
If the radio is being used with standard alkaline batteries, do not use the AC or car power adapters.
External power should only be applied to the radio when it has been equipped with rechargeable batteries
or the batteries have been removed from the radio.
Even if you do use power in this manner with rechargeable batteries, leaving the radio plugged in
continually will overcharge and overheat the batteries. Both of which will drastically shorten their lifespan.
Yupiteru MVT-7100
Owner's Guide
VFO Mode
Search Band
Searching Modes
Search Pass Mode
Priority Mode
AM Antenna
Battery Saver

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   Summary of Contents for richard MVT-7100 Owner’s Guide

  • Page 1

    Feel free to make copies of this document and distribute as you see beneficial to the radio monitoring hobby as long as it is done FREE of charge. I simply ask that this information be kept intact. A lot of hard work and effort has gone into the writing of this guide.

  • Page 2: Memory Organization

    Attenuator A device which is used to diminish the strength of an incoming signal. This is typically used to alleviate overloading of the front end radio circuitry by very strong, and usually nearby, transmissions. The MVT-...

  • Page 3: Receive Mode

    Some receivers refer to this feature as search-skip. If you have a known frequency, which you would like to skip while performing a search, it can be placed in a special memory. Yupiteru refers to this as the Search Pass Memory. Once placed in this memory, this frequency will not be tested for an active transmission, or in other words it’s skipped/passed when performing a search.

  • Page 4

    5 seconds before resuming. Step size A value in Hertz (Hz) or kiloHertz (kHz) that indicates the amount by which a frequency will be changed due to user or radio control while searching for active transmissions or using a VFO.

  • Page 5: Mode Operations

    Search Pass The radio is in Search Pass mode when a blinking P indicator is visible and the contents of the Search Pass memory are being displayed. The radio is in VFO mode when there is a frequency displayed but no memory channel or ‘CH’ LCD indicator present.

  • Page 6

    This approach allows you to change one or more of the individual MHz digits of the current frequency. Press FUNC + MHz. Use the arrow keys to select the digit to be changed (it will blink faster than the other digits).

  • Page 7: Memory Mode

    To move around within the memory channels 1. Use the rotary control or arrow keys 2. When the end of memory is reached in either direction, it will simply wrap around to the other end and continue To display a specific memory channel 1.

  • Page 8: Scanning Modes

    Receiving Empty Channel Signals Due to the design of this receiver, if an empty memory channel is being displayed, the radio circuitry will be trying to receive the frequency of the last non-empty channel that was accessed. While this causes no harm, it can be surprising when it occurs.

  • Page 9

    2. Press FUNC + PASS 3. Note the CH indicator does not blink While Scanning If the scan stops on a channel that you do not wish to have scanned in the future, this channel can be passed by 1. Press FUNC + PASS 2.

  • Page 10

    NOTE : The selected banks are always scanned in numerical order (1-0) regardless of the order in which they were entered. Bank Mode This mode is used to scan the channels of up to four specified banks from 1-0 which have the specified receive mode. To start this mode 1.

  • Page 11

    Resume Searching If the search stops on an active frequency that you do not wish to monitor, simply use the rotary control or arrow keys to resume the search.

  • Page 12

    This mode allows you to display and edit the contents of the Search Pass memory. This memory contains a list of frequencies which are to be ignored when the radio is in one of the search modes. By doing so, this allows you to skip over frequencies of known origin or those that are active most/all of the time.

  • Page 13

    5. The channel number ‘P’ is briefly displayed then the radio returns to VFO mode Displaying Priority Channel Data The Priority channel is located at the end of ‘normal’ memory and can be simply though of as memory channel number 1000.

  • Page 14: Other Features

    The MVT-7100 must use the antenna attached to the BNC connector for medium wave band received. Attenuator If the radio is used in an area where excessively strong signals are active, it may be necessary to reduce their strength to ensure that the radio receiver functions properly. The Attenuator is used to reduce the strength of signals entering into the receiver.

  • Page 15

    Monitor The MONI button on the side of the radio is used it immediately open the squelch to help aid in the reception of signals whose strength might be below the squelch threshold or for monitoring weak signals which are fading in and out resulting in repetitive squelch operations.

  • Page 16

    Skip The Skip function is used during scan and search modes to prevent the radio from stopping on any one frequency for an undue amount of time. Normally, when scanning or searching comes across an active transmission it will stop on that frequency until the transmission ceases and then resume scanning/searching.

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