SKMEI 8 User manual

8 digital Operation Manul
A . Features
8 Digits LCD Display，Display Hour ,Minute ,Second ,Month ,Day and Week
2 Alarm and Chime hourly
Dual Time
Timer
12 / 24H format selectable
1/100 second Chronograph with split functions
EL backlight
B . Operational Manual
1. Real Time
Use the Real Time Mode to set and view the current time and date.
In the Real Time Mode. Press D key to view the current date, Release D key will return the Real Time
Mode
To set the time and date:
a). In the Real Time Mode. Press C key until the “Seconds” start to flash, which indicates the setting screen.
b). Press B key to move the flashing in the sequence shown below to select other settings shown.
c). When the setting you want to change is flashing, press D key to change it as described below.
change this setting
Perform this button operation
Seconds
Press D key to reset to 00.
Minutes, Hour, Week, Month, Day
Press D key to increase the setting
12/24Hour
Press D key to change the 12-hour format or 24-hour format
d). The day of the week is automatically displayed in accordance with the date (year, month, and day)
settings.
2. Chronograph
The display range of the Chronograph is23hour,59 minutes, 59.99seconds..
（A Key）LIGHT
（D Key）START
RESET (A key)
LMODE（B Key）
B Key
Seconds
Hour
Minutes
Week
Day
Month
12/24hr
Alarm Mode
Real Time Mode
Timer Mode
Chronograph Mode
B Key
B Key
B Key
Dual Time Mode
B Key

8 digital Operation Manul
The stopwatch will be count to max. values and restart from zero until you stop it.
To measure times with the stopwatch
Elapsed time
D key D key D key D key C key
Start Stop Re-start Stop Clear
Spilt time
D key C key C key D key C key
Start Split Split release Stop Clear
Two Finishes
D key C key D key C key C key
Start Split Stop Split release Clear
First runner Second runner Display time of
Finishes. finishes. Second runner.
Display time of
First runner.
3. Daily Alarm
Alarm Operation: The alarm tone sounds at the preset time for about 15 seconds. Pressing any button stops
the alarm tone operation.
Turn On / Off Alarm and Chime
Press Ｄkey to turn on/off Alarm ( “ ” ) or Chime (“ ”).
Alarm setting :In the Alarm Mode, press C key until the Hour setting of the alarm time starts to flash, Press
B key to select "Hour "、"Minute "or ”alarm1/alarm2” setting, Press D key to adjust the flashing item,
Press C key to confirm.
4. Countdown Timer
The display range of the timer is 23hr 59min,59sec.
Timer alarm sounds for about 10 seconds when counting down to 0:00:00.
Timer Time setting
Press and hold Ｃkey f to time setting state and "Hour" flashing , Press B key to select "Hour" or
"Minute" setting ,Press Ｄkey to adjust the flashing item, Press Ｃkey to complete setting.
Timer operation
Press Ｄkey to Start/Stop counting .
5. Dual Time
Dual Time setting
In the Dual Time mode ,Press and hold Ｃkey to select "hour" setting, Press Ｄkey to adjust the
flashing item, Press Ｃkey again to finish setting ,and return to Dual Time displaying mode .
C. Specifications
Module Size
Module Thickness
Operational Temperature Range
：36.2mm
：9.30mm
：0℃~50℃
：3.0V
：±90sec/month
：CR2025（content：170mAh）
：≤3.5u A(T=25℃)
：≤2.5u A(T=25℃)
：≤2.5 m A
：≤10 m A
：≥24 month（Japan Lithium）

8 digital Operation Manul
Operational Voltage
Accuracy
Battery Code
Current Consumption for Digit（maxima）
Current Consumption for Digit（averagely）
Alarm Current
EL Current
Battery life
2 backlight operation (6 seconds) per day
20 seconds of alarm operation per day