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МатематикаВопрос:
3、Key format:there are 6 keys(5 keys of LED clock and 1 key of projection clock).
Ответ:
В формате клавиш: всего 6 клавиш (5 клавиш светодиодных часов и 1 клавиша проекционных часов).
Ответ: см. выше.
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- 3618LP Instructions 1、Functions 4-bit LED display • Time function: it displays hour, minute and it can change in 12/24 hour system. Date function: it displays day, month and year (from 2000 to 2099). Alarm function: you can set daily alarm and snooze. •Temperature function: It can display and change the F/°C. The normal measurement range is -10°C- 50℃ (14F-122℉). •Mode selection: in the temperature mode long press MODE key to change modes. Brightness control: you can press SNOOZE/LIGHT Key to adjust the screen brightness from high-middle-low-off. Low light: when 18:00-5:59, the screen is in low light automatically and you can set automatic low light interval. • The LCD projection function. You can press PROJECTION key to turn on/off the projection, Press the "PROJECTION"button for 5 seconds to reverse the display. • The external power supply 5V/DC is the typical working voltage, and the protection for external power-cut.(built-in lithium battery:3.0V) • All keys have sound. 2、LED and LCD screen display& Key function description
- 4、Detailed Operations (1)Time mode: After connecting the power, the LED screen will full display for 2s then it makes a sound "Bi" to enter the normal time mode and the default is 0:00 in 24 hour system. In the normal time mode, press MODE key to enter the corresponding functions as follows: Time mode--Date mode--Temperature mode--Night on/off (the default is off) In the normal time mode,long press MODE key for 2s to enter time mode, and press UP/DOWN key to set time as follows. Press and hold to quickly increase/decrease. 12/24 hour system-- Hour-- Minute-- Escape If you change to the 12 hour system , the sign PM will light. •Setting range: HOUR is 1~12 or 0~23, MIN is 00~59.
