万年历 Digital Tube Clock IC

Feature Description

12/24-hour clock: In 12-hour format, the PM indicator is indicated by a light illuminating from the top left.

2. Alarm Function: Total of 3 alarm groups; alarms ring for one minute when the time is reached, with the alarm frequency increasing; press any key to stop the alarm during the ringing process.Temperature Display: Celsius and Fahrenheit toggle, default in Celsius, temperature range: -20°C to 50°C and -4°F to 122°F.

4. Voice Control Function: Press buttons to select voice-controlled on/off.

5. Energy-saving mode feature: brightness at 100% from 8 AM to 6 PM, reduced by 50% from 6 PM to 8 AM.

6. Features a three-button setup for up, down, and control operations.

7. Operating Voltage: DC 5.0V or 4 x 3A batteries, with an integrated 3.0V button cell battery.

8. The digital tube remains unlit when powered by the built-in 3.0V battery for the IC, in the absence of DC 5.0V or 6.0V battery supply.

Section II: Operating Instructions

1. Power-on Self-check Function: When powered by a DC 5.0V or 6V battery, the digital tube displays all digits for one second, then sequentially shows 0000, 1111, 2222, 3333, 4444, 5555, 6666, 7777, 8888, 9999. Next, it displays the decimal points of the digital tube, emits a single beep, and then enters the time mode, displaying 12:00. The time and temperature are cycled to display every 15 seconds and 3 seconds, respectively. (This function is available only when there is no 3V button cell battery.)

2. In Clock Mode:

A. Enter the settings mode by pressing SET, then proceed with the following sequence: 12/24-hour format - hour - minute - alarm 1 on/off - alarm 1 hour - alarm 1 minute - alarm 2 on/off - alarm 2 hour - alarm 2 minute - alarm 3 on/off - alarm 3 hour - alarm 3 minute - exit settings. Press DOWN and UP to make corresponding adjustments.

B. Press the UP button to toggle between Celsius and Fahrenheit

Press the DOWN button to toggle the voice control function. In the voice control mode, the digital tube will light up for 13 seconds before turning off.