Skmei 1283 - Watch Manual

Table of Contents

Features

Controls

13 Digits LCD Display, Display Hour, Minute, Second, Month, Day, Year and Week
Automatic Calendar(2000~2099)
Dual Time
12 / 24H format selectable, Auto Calendar
Daily Alarm, Chime hourly and SNZ
1/100 second to 23 hour 59.99 second Chronograph with split functions, 12 groups of LAP segment timing
Countdown function
EL backlight
Touch-tone

Press and hold C key for 2s to time setting mode and "Second" flashing, Press B key to select item as following sequence:
Press D key while the seconds are in the range of 30 to 59, resetting them to 00 and adding 1 to the minutes. While the seconds are in the range of 00 to 29,the minutes won't be changed.
Press D key to adjust the value increment, hold down D key to quickly adjust.
Press C key to return to Real Time Mode.
In setting mode. 1 minute No key operation automatically exit setting, return to real time display mode.

In the real time mode, Press B key 3 times to enter Dual Time Mode, Press and hold C key for 2s to select " Hour " setting, Press B key to select " Minute " setting,
Press D key to adjust the value increment, hold down D key to quickly adjust.
Press C key again to finish setting, and return to Dual Time displaying mode.
In setting mode. 1 minute No key operation automatically exit setting, return to Dual Time displaying mode.
The second of Dual Time is the same as real time

In alarm mode, press and hold C key for 2 seconds to enter the alarm time setting state, then press B key to select the setting items as follows:
Press D key to adjust the value increment, hold down D key to quickly adjust.
Press C key to return to Alarm Mode.
In setting mode. No any key operation then will back to alarm display mode automatically after 1 minute.

Remarks:

When you need a daily alarm, do not enter a number at the bottom of the screen. Please set it to " ".
When you need a specify month alarm, you need to enter the number "12- - -" at the bottom of the screen.
When you need a specify day alarm, you need to enter the number "- - - 30" on the bottom of the screen.
When you need a specify date alarm, you need to enter the number, such as "12-30" at the bottom of the screen.
When Alarm is ON, the BB-BB - ring sounds for 10 seconds, the alarm when the screen symbol " " flashing, press any key to stop.

Snooze function:

In the Snooze function, The symbol "SNZ" is still flashing on the screen when the alarm stopped, snooze rings every 5minutes, total ring 6 times.
When the snooze is ringing, press any key is to stop all the after snooze function.

The measurement range of chronograph is 23 hours 59 minutes 59.99 seconds, when reach the maximum, the chronograph re-count from "0"
Chronograph LAP segment timing can remember 12 groups.

When running the Chronograph:

Press D key to Start/Stop running; When stop, press C key to zero.
When running, press C key to split counting. Press C key again to next LAP split counting.
In the split counting, press D key to stop counting, Press C key to view the memory mode, press C key again to continue to view the next memory.
When exit split count, hold on C key for 2 seconds to zero.
When running, press B key to return to Real Time mode, and it runs at back.

In the countdown mode

Press and hold C key for 2s to time setting mode and "Seconds" flashes. Press B key to select "Hour", then Press B key "Minute" setting.
Press D key to adjust the value increment, hold down D key to quickly adjust.
Press C key to confirm, press B key return to the real time mode.
In setting mode. No any key operation then will back to countdown mode automatically after 1 minute.
Press D key to Start/Stop counting. Press C key for 2s to starting value when stop counting. Press C key for 2s again back to the setting mode.
When the countdown stop to zero, the BB-BB - ring sounds for 15 seconds, press any key to stop the ring, when the ring stop, the countdown time will automatically return to the initial setting time.

Module Size	Ф37.2mm
Module Thickness(include buzzer)	9.2mm
Operational Temperature Range	-10℃~+60℃
Operational Voltage	3.0V
Accuracy	±45sec/month
Battery Code	CR2025 (capacitance: 170m Ah)
static average current	≤ 1.5uA (static maximum current: 3.5 uA)
Alarm average current	≤ 2mA (Alarm maximum current: 5.0mA)
EL lighten average current	≤ 8mA (EL lighten maximum current:
Battery life (85%)	≥ 36 month(Japan Lithium)