SKMEI Model 1362 Digital Watch User Manual

Introduction

This user manual provides comprehensive instructions for operating the SKMEI Model 1362 digital watch. It details the watch's features, operational modes, and technical specifications.

Key Button Functions:

• [D Key]: Functions as Start/Stop (ST/STP).
• [C Key]: Functions as Reset.
• [A Key]: Activates the EL backlight for approximately 1.5 seconds.
• [B Key]: Cycles through the different operation modes.

The watch features a 13-digit LCD display that shows the Hour, Minute, Second, Month, Day, and Week.

Current Mode Displays:

• Normal Time Mode: Shows day (e.g., THU), date (e.g., 10-25), time (e.g., 12:58), and seconds/day indicator (e.g., 36).
• Alarm Mode: Displays "AL" and the set alarm time (e.g., 12:00).
• Chronograph Mode: Shows "ST" (Start) or "SPL" (Split) and the elapsed time (e.g., 0:00:00).
• Dual Time Mode: Displays "TA" and the set dual time (e.g., 7:58).
• Timer Mode: Shows the countdown timer (e.g., 0:00:00).

A. Features

• 13-Digit LCD Display: Shows Hour, Minute, Second, Month, Day, and Week.
• Daily Alarm and Hourly Chime: Provides audible alerts.
• Snooze Functionality: Allows for delayed alarms.
• Dual Time: Displays time for a second time zone.
• Timer: Maximum countdown time of 23 hours, 59 minutes, and 59 seconds.
• 12/24 Hour Format: User-selectable time display format.
• Auto Calendar: Automatically adjusts for dates.
• 1/100 Seconds Chronograph: Measures elapsed time with split function capability.
• EL Backlight: Illuminates the display for visibility in dark conditions.

B. Operational Manual

Press the [B Key] to switch between the following operation modes: Normal Time Mode, Alarm Mode, Chronograph Mode, Dual Time Mode, and Timer Mode. Pressing the [A Key] illuminates the EL backlight for approximately 1.5 seconds in any mode.

In Normal Time Mode, press the [D Key] to toggle between the 12-hour (12H) and 24-hour (24H) time formats.

1. Normal Time Mode Setting

To set the current time:

1. Press and hold the [C Key] for 2 seconds to enter the time setting state. The "Second" display will flash.
2. Press the [D Key] to reset the seconds to zero.
3. Press the [B Key] to select the item you wish to adjust. The selection sequence is: Second → Hour → Minute → Year → Month → Day.
4. Press the [D Key] to adjust the flashing item.
5. Press the [C Key] to confirm the settings and return to the normal time mode.

Second Adjustment Details:

• If the seconds are between 30 and 59 when the [D Key] is pressed, the seconds reset to 00, and the minutes are incremented by 1.
• If the seconds are between 00 and 29 when the [D Key] is pressed, the seconds reset to 00, and the minutes remain unchanged.

12/24 Hour Format Selection: In Normal Time Mode, use the [D Key] to switch between the 12-hour (12H) and 24-hour (24H) time formats.

2. Alarm Mode

Alarm and Snooze On/Off:

• In Alarm Mode, press the [C Key] to turn the daily alarm and snooze alarm on or off. The display will show (ALM) for the alarm or (SNZ) for snooze.
• When the alarm is ringing, (ALM) will flash. The alarm will stop automatically after 10 seconds. Press any key to stop the ringing.

Setting Daily Alarms:

• In Alarm Mode, press and hold the [C Key] for 2 seconds to enter the alarm time setting mode.
• Press the [D Key] to adjust the flashing character (this is a "plus" operation).
• Press the [B Key] to select the next item to set (e.g., Hour, Minute, Date).
• Press the [C Key] to confirm the setting.
• If a specific date is set, the alarm will activate on that date. If no date is set, it functions as a daily alarm.

Hourly Chime On/Off:

• In Alarm Mode, press the [D Key]. The "Hour" display will disappear, indicating the chime setting.
• Press the [C Key] to turn the hourly chime on or off. The presence of a chime indicator (e.g., SIG) may be shown.

Snooze Mode Operation: When snooze mode is active, the alarm will ring every 5 minutes. If no operation is performed, the alarm will ring for 10 seconds.

3. Chronograph Mode

• Start/Stop: Press the [D Key] to start or stop the chronograph timing.
• Zero Reset: When the chronograph is stopped, press the [C Key] to reset the elapsed time to zero.
• Midway Time (Split Function):
  • Press the [D Key] to start the chronograph.
  • Press the [C Key] to measure a midway time. The display will change from "ST" to "SPL".
  • Press the [C Key] again to release the midway time measurement and resume timing.
  • While in the "SPL" state, press the [D Key] to stop the chronograph.
  • In the stopped state, press the [C Key] to reset the chronograph to zero.
• Two Player Time Measurement:
  • Press the [D Key] to start the first player's time measurement.
  • Press the [C Key] to display the first player's elapsed time.
  • Press the [D Key] again to stop the second player's test.
  • Press the [C Key] to view the second player's elapsed time.
  • Press the [C Key] again to reset the chronograph to zero.

4. Dual Time Mode

Dual Time Setting:

• In Dual Time Mode, press and hold the [C Key] for 2 seconds to enter the setting mode.
• The "Hour" display will flash. Use the [B Key] to select between "Hour" and "Minute" settings.
• Use the [D Key] to adjust the flashing item.
• Press the [C Key] again to finish setting and return to the dual time display mode.

Note: Seconds cannot be set in Dual Time Mode; this function synchronizes with the Normal Time Mode.

5. Timer Mode

Timer Time Setting:

• Press and hold the [C Key] for 2 seconds to enter the time setting mode. The "Hour" display will flash.
• Use the [B Key] to select either the "Hour" or "Minute" setting.
• Use the [D Key] to adjust the flashing item.
• Press the [C Key] to complete the setting.

Timer Operation:

• Press the [D Key] to start or stop the countdown timer.
• When the timer is stopped, press the [C Key] to set the starting value for the countdown.

Note: When the watch is in any setting mode, the character currently being adjusted will flash.

C. Specification

• Operational Temperature Range: -0°C to +50°C
• Operational Voltage: 3.0V
• Accuracy: ±60 seconds per month
• Battery Code: CR2032
• Static Maximum Current: ≤3.5 µA (at 25°C)
• Static Average Current: ≤2.5 µA (at 25°C)
• Alarm Average Current: ≤2.5 mA
• EL Lighten Average Current: ≤10 mA
• Battery Life (85%): Approximately 24 months (using a Japan Battery)

Battery life calculation is based on using the EL light 3 times daily for 1.5 seconds each, and the alarm sounding for 20 seconds daily.