Multi-frequency signaling ( see also MF ) is a group of signaling methods that use a mixture of two pure tone ( pure sine wave ) sounds.

The Ethernet standards comprise several wiring and signaling variants of the OSI physical layer in use with Ethernet.

Some examples of the molecules that use the JAK / STAT signaling pathway are colony-stimulating factor, prolactin, growth hormone, and many cytokines.

With the exception of the sea otter, they have anal scent glands that produce a strong-smelling secretion the animals use for sexual signaling and for marking territory.

The use of sexual ornamentation as a signaling device to create a dominance hierarchy among males, also known as a pecking order, allows struggle to proceed without excessive injury or fatality.

The key idea for SMS was to use this telephony-optimized system, and to transport messages on the signaling paths needed to control the telephony traffic during time periods when no signaling traffic existed.

Certain IEEE 802. 11 standards use DSSS signaling.

The term is only relevant in the case of signaling systems that use discrete signals ( e. g. a combination of tones to denote one digit ), as opposed to signaling systems which are message-oriented ( such as SS7 and ISDN Q. 931 ) where each message is able to convey multiple items of information ( e. g. multiple digits of the called telephone number ).

SX signaling may be one-way, for intra-central-office use, or the simplex legs may be connected to form full duplex signaling circuits that function like composite ( CX ) signaling circuits with E & M lead control.

Tracks are highly visible, and in some cases significant effort is expended to keep traffic away through the use of special signaling, level crossings with gate arms or even a complete separation with non-level crossings.

This signaling system allows the graphics card to tell the monitor to go into a number of different power management or power saving states, which effectively allow the monitor to turn itself off when it is not in use.

It secretes its essential product without the use of a duct directly into the bloodstream or else by diffusion into its surrounding tissue ( paracrine signaling ) where it often affects only target cells near the release site.

Some signaling schemes do not use electrical wires.

Some signaling schemes use modulation of a carrier signal ( with or without wires ).

Unix-like systems can use the long " break " level as a request to change the signaling rate, to support dial-in access at multiple signaling rates.

The GamePad Pro employed advanced signaling techniques to allow for both the use of ten buttons and the simultaneous use of up to four controllers connected by the controller's built-in piggyback plug, but games couldn't detect the gamepad unless they were coded with the device in mind ( DOS ) or a specific driver was installed ( Windows ).

These switches used tone dialing, a form of in-band signaling, and included some tones which were for internal telephone company use.

But apart from racial problems, the old unreconstructed South -- to use the moderate words favored by Mr. Thomas Griffith -- finds itself unsympathetic to most of what is different about the civilization of the North.

It is a popular snack sold in Mexico, sometimes mixed with chocolate or puffed rice, and its use has spread to Europe and parts of North America.

Legal scholar Jim Drennan, an expert on the court system at the Institute of Government at the University of North Carolina at Chapel Hill, told the Winston-Salem Journal in a 2007 interview that the ability to use this form of guilty plea as an option in courts had a far-reaching effect throughout the United States.

The Bush is a term Alaskans use to describe portions of their state that are not connected to the North America road network.

" When Congress, in the summer of 1973, legislated an end to U. S. military action in, over, or off the shores of Indochina, the only U. S. military activity then going on was air support of a friendly Cambodian government and army desperately defending their country against a North Vietnamese and Khmer Rouge onslaught ... What destabilized Cambodia was North Vietnam's occupation of chunks of Cambodian territory from 1965 onwards for use as military bases from which to launch attacks on U. S. and South Vietnamese forces in South Vietnam.

They spread its use into North Africa where it was adopted by Mamluk Egyptians and the Sudanese who produced it until the early 20th century.

Traditionally, North Africans use a food steamer ( called a كسكس kiskas in Arabic or a couscoussière in French ).

In North America, Native Americans were the first to use cranberries as food.

The most common use in North America and Northern Europe is to mark mountain bike and hiking trails and other cross-country trail blazing, especially in mountain regions at or above the tree line.

Optical technology, such as the telescope, sextant and other devices that use telescopes, allowed for accurate surveying of land and the ability of mapmakers and navigators to find their latitude by measuring angles to the North Star at night or the sun at noon.

Unlike in many other European countries, the general image of Święty Mikołaj in Poland is basically no different to the one of the Anglo-Saxon Santa Claus ( he is said to live in the North Pole, wear red clothes and a white beard, use reindeers to pull his sleigh, or enter houses via the chimney ).

For instance, in Nanook of the North Flaherty did not allow his subjects to shoot a walrus with a nearby shotgun, but had them use a harpoon instead.

Despite the worldwide ban, agricultural use continues in India North Korea, and possibly elsewhere.

Several other ancient churches in Eastern Europe, Western Asia and North Africa also use Orthodox, but are distinct from the Orthodox Church as described in this article.

Khrushchev sympathized with the concept of an autonomous Greek North Epirus and hoped to use Greek claims to keep the Albanian leadership in line with Soviet interests.

General aviation is particularly popular in North America, with over 6, 300 airports available for public use by pilots of general aviation aircraft ( around 5, 200 airports in the U. S., and over 1, 000 in Canada ).

Commercial use of hydrofoils in the U. S. first appeared in 1961 when two commuter vessels were commissioned by Harry Gale Nye, Jr .' s North American Hydrofoils to service the route from Atlantic Highlands, New Jersey to the financial district of Lower Manhattan.

However, these names are now archaic, as the use of hanja in writing has become very rare in South Korea and completely phased out in North Korea.

In order to classify a business as a service, one can use classification systems such as the United Nations's International Standard Industrial Classification standard, the United States ' Standard Industrial Classification ( SIC ) code system and its new replacement, the North American Industrial Classification System ( NAICS ), the Statistical Classification of Economic Activities in the European Community ( NACE ) in the EU and similar systems elsewhere.

There are areas, such as the islands of the South Pacific, the interior of Africa, and parts of North and South America, where peoples have passed directly from the use of stone to the use of iron without the intervention of an age of bronze.

In North America in 2004, many endocrinologists prefer the term Flexible Insulin Therapy ( FIT ) to " intensive therapy " and use it to refer to any method of replacing insulin that attempts to mimic the pattern of small continuous basal insulin secretion of a working pancreas combined with larger insulin secretions at mealtimes.

While the North American PSTN can use PRI or Analog T1 format from PBX to PBX, the POTS or BRI can be delivered to a business or residence.

Even though many network professionals use the term " ISDN " to refer to the lower-bandwidth BRI circuit, in North America BRI is relatively uncommon whilst PRI circuits serving PBXs are commonplace.

In the event that agreement is not reached on the use of the rupees for grant or loan purposes within six years from the date of this Agreement, the Government of the United States of America may use the local currency for any purposes authorized by Section 104 of the Act.

The Government of India agrees that it will take all possible measures to prevent the resale or transshipment to other countries or the use for other than domestic purposes ( except where such resale, transshipment or use is specifically approved by the Government of the United States of America ), of the surplus agricultural commodities purchased pursuant to the provisions of this Agreement, and to assure that the purchase of such commodities does not result in increased availability of these or like commodities for export from India.

In the event the rupees set aside for loans under Section 104 ( E ) of the Act are not advanced within six years from the date of this Agreement because the Export-Import Bank of Washington has not approved loans or because proposed loans have not been mutually agreeable to the Export-Import Bank of Washington and the Department of Economic Affairs of the Government of India, the Government of the United States of America may use the rupees for any purpose authorized by Section 104 of the Act.

The Government of India further agrees in cooperation with the Government of the United States, to coordinate the use of grant and loan funds provided for in paragraphs 1 ( B ) and 1 ( C ) of Article 2, with such direct dollar assistance as may be made available by the Government of the United States of America, so that both sources of financing may be channeled to specific and clearly identifiable economic development programs and projects.

Symbolically, Marian Anderson ( a noted opera singer of her day ) sang a rendition of " America the Beautiful " on the steps of the Lincoln Memorial in 1939 after being refused use of Constitution Hall by the Daughters of the American Revolution because of her skin color.

Adobe had been in use by indigenous peoples of the Americas in the Southwestern United States, Mesoamerica, and the Andean region of South America for several thousand years, although often substantial amounts of stone are used in the walls of Pueblo buildings.

Gauntlett supplied his personal pre-production Vantage for use in the filming of The Living Daylights, and sold a Volante to Broccoli for use at his home in America.

We use it to unify ourselves with our people and with Latin America.

The building was dedicated in 1954 and is possibly the first financial institution in America to use glass walls and an open floor plan.

The use of same word castas, and a method of stratifying people based on " breed, race, caste " was common in colonial Spain, throughout South America and Central America, within the last 500 years.

In 1507, Martin Waldseemüller produced a globular world map and a large 12-panel world wall map ( Universalis Cosmographia ) bearing the first use of the name " America ".

Captain America: Reborn # 1 ( Aug. 2009 ) reveals that Rogers did not die, and that the gun Sharon Carter had been hypnotized to use had actually caused Rogers to phase in and out of space and time, appearing at events in his lifetime and fighting battles.

Despite the popularity of these events, the Dachshund Club of America opposes " wiener racing ", as many greyhound tracks use the events to draw large crowds to their facilities.

* Frequency: in Europe, in China, in Japan, in Latin America and in the US and Canada, and products may NOT be used in the UK or Ireland as they cause and suffer from interference with the UK and Ireland cellular networks with illegal use of such products being prohibited by UK agencies, and UK and Ireland DECT and products may NOT be used in the US and Canada as they cause and suffer from interference with US and Canada cellular networks and aircraft and for that reason is deemed illegal to use by US and Canadian agencies such as the Federal Communication Commission and Industry Canada.

Roger Ebert approves of the use of the label in unsuccessful films that had been tampered with by studio executives, such as Sergio Leone's original cut of Once Upon a Time in America, and the moderately successful theatrical version of Daredevil, which were altered by studio interference for their theatrical release.

In South America there are a number of indigenous traditions and more recent religious movements based on the use of ayahuasca, usually in an animistic context that may be mixed with Christian imagery.