1995165438+1October 30th, this channel was officially launched in the name of Butterfly Logo+"7" channel logo and China CCTV Children's Military Agricultural Science and Technology Channel.
In June 1998, 1, the channel uses the transparent "CCTV" logo, which is limited to the TV channel screen (that is, the transparent "CCTV-7"), and the promotional film begins to use the double-line text "CCTV-7" logo. The background is blue-gray
On the evening of July 8th, 20065438+0, the channel logo of this channel was also changed from transparent CCTV-7 to double-line CCTV, and the spoon label changed from "-"to CCTV-7 with serial number 7 (the spoon label is solid at the beginning, and the serial number 7 is hollow at the beginning; Later, on the evening of August 2, 200 1 year, the spoon label was transparent and the serial number "7" was changed to solid). On July 9, 20001year, China Central Television Science and Education Channel (called China Central Television Science and Education Channel from June 5, 200010) was born out of this channel and began to broadcast independently. The call sign of this channel is changed to China CCTV Children's Military Agriculture Channel, and its ID is the same as other CCTV channels, but the background is colored-sky blue petals.
At the beginning of 2003, the background of the program guide of this channel was fine-tuned, which was consistent with the blue-green background of CCTV II.
On May 8, 2003, with the launch of CCTV news channel, CCTV 1 was changed from "news comprehensive channel" to "comprehensive channel", and some original children's programs of CCTV 1 were transferred to this channel, leaving only three children's programs: Animation City, Big Windmill and Samsung Intelligence Express (later renamed Intelligence Express). (Later, CCTV 1 launched "LG Mobile Phone Golden Apple", and the program may be replayed on this channel. At the same time, two sets of CCTV educational programs, such as Lucky 52 and Happy Dictionary, began to be broadcast. Starting from June 65438+ 10, 2004, these two programs will be replayed irregularly on this channel, and then the replay of these two programs on this channel will be cancelled around June 165438+ 10, 2005. On February 28, 2003, CCTV Children's Channel was born out of this channel and began to broadcast independently, which marked the beginning of the channel's March into TV channels focusing on military programs and agricultural programs. The channel call sign has been cancelled, and some programs premiered by children's channel will be replayed on this channel. (such as open sesame, Tangram, windmill, etc.). ), but starting from 20 13, this channel canceled the replay of all children's programs on the children's channel, and only replayed the first animation park of CCTV around noon 1 1. )
On June 26th, 2006, the military program of CCTV Channel 7 was revised, with a total duration of 5 hours and 40 minutes. 12 military column. After the revision, the total broadcast time of military programs has increased by 2 hours compared with the past, and columns such as military documentary, peacetime, new defense observation, military intelligence continuous viewing, and hundreds of battles have been launched.
From August 16, 2006, CCTV began to review the "green advertising signs" in the prime time at night. When the channel broadcasts advertisements in prime time at night, a translucent "green advertising sign" will be displayed in the upper right corner of the screen.
From August 9 to August 24, 2008, due to the broadcast of the Olympic Games, the sign was temporarily moved to the upper right corner.
After the 2008 Beijing Olympic Games, during the Olympic Games or the Asian Games, in order to cooperate with CCTV's coverage of competition programs, the original CCTV 2 programs will be replaced, and sports competitions will be broadcast during this period. It was not until the sports event channel started broadcasting that CCTV 2 resumed broadcasting in Incheon Asian Games. The channel did not broadcast any major sports events.
2011110 channel was officially renamed as China CCTV military agriculture channel, and the channel logo was also changed to "CCTV-7 military agriculture". At the same time, the "green advertising signs" in the evening hours were stopped.
From 20 13, 1, the channel began to broadcast a brand-new "CCTV-7 military agriculture" theme propaganda film.
Since 20 13, CCTV has strengthened the review of public service advertisements. When the channel plays the public service advertisement, the "public service advertisement logo" with color blocks is displayed in the upper right corner. (Refer to the picture on the right)
On February 25th, 20 13, this channel was officially broadcast in the new CCTV site as a public channel.
Starting from 20 14 and 1, the HD version of this channel was broadcast on the satellite of ZTE 6A, and the simultaneous broadcast of high standard definition was started.
Starting from 2065 438+05 65438+ 10/,the military program part of this channel began to broadcast the new format propaganda film "Watching the military and knowing the world".
According to the notice of the State Administration of Press, Publication, Radio, Film and Television, at 0: 00 on July 20 15, the SD program signal of this channel began to be transmitted encrypted in the transponder of China Satellite 6A 1 2B. At 0: 00 on 20 1 65438+1October1day, the transponder of zhongxing 6A satellite 10A was officially closed, and only the S7 transponder of zhongxing 6B satellite was reserved for clear stream transmission.
On August 7, 20 15, the channel logo was changed to 16:9 format, and the standard definition program was changed to 16:9 format, with horizontal compression of 4:3.