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Ака Signum 7272M MFT version 1.00 [32/34] Examples of some common target
![Ака Signum 7272M MFT version 1.00 [32/34] Examples of some common target](/views2/2041883/page32/bg20.png)
Селективный металлодетектор «Сигнум MFT» 7272М. Руководство по эксплуатации.
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ООО «фирма «АКА», +7(495)621-0481, http://aka.2000.ru aka_md@mail.ru
EXAMPLES OF SOME COMMON TARGET
VDI’s
VDI data are for units with a 7 kHz, Normal mode, Turbo and Economy off and DHR
off.
Scale Of VDI
Items
From -90 to -86
Hot rocks, improperly configured ground.
From -86 to -70
small nails and other small iron trash.
From -70 to- 50
medium wrought nails, small arrowheads.
From -70 to -35
large wrought nails, medieval knives, flat arrowheads, horseshoes,
locks, and other fairly large iron articles.
From -35 to -10
In this sector there is little iron accept those targets that may be
“masked” by iron, small objects of irregular shape of the low
conductivity of non-ferrous alloys (bronze crosses, thin gold
serpentine chain). Pay particular attention to the arrow and narrow
loop-travel times in this sector.
From -10 to +10
foil, small crosses of bronze, very small lead, fine gold, small .22 shell
casings.
From +10 to +
30
Hammered short cross silver cut half (+22), Roman minim (+14), some
small thin hammered silver coins, US 5 cent nickel,50 pence (+24), 20
pence (+28),small lead shot.
From +30 to +50
Hammered short cross silver penny +47, Celtic gold stator +46-+50,
larger lead shot( i.e. musket balls, Minnie balls) also lead seals,
Aluminum tabs, larger 14K gold rings.
From +50 to +70
AE antonianus + 64, US copper penny, US zinc Penny, UK pound coin
From +70 to +86
Large copper coins (cartwheel penny, King George coppers, Victorian
penny,) UK pound coin, US dime, Quarter, Half dollar and dollars, as
well as large Planar or spherical iron objects (helmets, , plows, axes,
etc.)
From +86 to +90
ground response from an unbalanced device, "hot rocks", as well as
very large objects from deep highly conductive metal (e.g. aluminum
basin, a large silver tray). "Hot Stone" signals differ in that they sound
stretched, while the signal from the metal target is usually
concentrated in a small point.
As we can see, even in the good VDI sectors we have targets that are trash. That is,
there will always be trash items mixed in with the more desirable targets with very similar
characteristics.
Also, do not forget that the purpose of VDI is only true in the area of consistent
definition of the instrument and in the absence of other metal objects nearby. For example,
a piece of iron underlying a gold ring will cause the normal VDI of +37 to now read 18/22.
And at the limit of sensitivity in the ground, it may suddenly sound like a deep copper coin
with VDI +85. This is not unique to your device, but for all other devices of this type.
Содержание
- Discriminating metal detector 1
- Instruction manual 1
- Signum mft 1
- Contents 3
- General description 4
- General information 4
- Package contents 5
- Technical specifications 5
- Getting started 6
- Power supply 6
- Controls and connections 7
- Display screen 9
- St sensitivity rt sensitivity volume 9
- Warning setting of the st sensitivity above 11 and especially 14 can lead to a significant increase in the amount of false positives from the soil in high salinity or when bumping the search coil 9
- Ground balance 10
- Make the soil invisible to the instrument i e exclude false signals from the ground where there is no target 10
- Successiv 12
- Discrimination search mode and setup 14
- Search mode all metal 15
- Dynamic and static modes 16
- Mode economy 17
- Mode s algorithm 17
- Mode turbo 17
- Multi frequency 18
- Parameter menu 19
- Search options 19
- Accumulation 20
- Attention the algorithm is turned off automatically in the program 20
- Backlight 20
- Display settings 20
- Mm1 and mm2 20
- Shift frequency 5 the central frequency of the device 5 20
- 2 1 4 1 7 21
- Real time before the threshold short tone 21
- Real time multifrequency 21
- Sound settings 21
- Additional menu add menu 22
- Menu options 22
- Other settings 23
- Tone settings rt 23
- Tone settings st 23
- User programs 23
- Always go back to them to perform this you must first turn on the device while at the 24
- Factory default values for all parameters are stored in memory and the user can 24
- However one should pay attention to two points unless absolutely necessary do not place a high value for the backlight setting doing so may reduce the operation time with one set of batteries it is also not recommended to set too high a level for the parameter duration st when working in trashy areas for a clearer separation of closely spaced targets 24
- Program 2 designed to search in trashy areas has a good response but slightly inferior in sensitivity program 3 is the main program of research combining the best combinations for a comfortable search with near maximum sensitivity program 4 for when you want to search at slightly greater depths however it is worth remembering that it reduces the comfort of searching identifying deteriorating properties of the device as well as the time from one set of batteries is reduced by 2 3 times remember that the default settings are not an absolute but offered only as a starting point to assist your search experiment and we hope that in the near future you will make your own comfortable and effective progra 24
- Same time holding down the button and hold it until the end of the melody same time holding down the button and hold it until the end of the melody program 1 is designed for easy and comfortable search of shallow objects 24
- Settings backlight contrast and cont ct directly with the search capabilities of 24
- The device are not affected and can be chosen based on the preferences of the particular user 24
- Using the hodograph for identification 25
- Replacing the coil 26
- Search and identification methods 26
- Normal operating mode 28
- S mode algorithm 28
- Large eddy current loops 30
- Searching for metal objects with 30
- Examples of some common target 32
- Us 5 cent nickel 32
- Warranty information 33
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