Lock PRECISION GW-24 Series User manual

OPERATING INSTRUCTIONS
ANALOG-DIGITAL
GW-24 SERIES
S1
S4
S2
S5
S3
S1 MODE
S2 RESET
S3 START
S4 LIGHT
S5 CROWN

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TIME AND DATE
»Digital time display (hour, minute and second): optional 12-hour or 24-hour time format
»Analog time display (hour, minute and second): synchronized with digital home time
»Digital date display (date, day of week)
»World time function (time for 85 cities worldwide)
CHRONOGRAPH
»1/100 - second resolution, count up to 24 hours
»No lap record
EL BACKLIGHT
»Build-in EL backlight
The watch shall possess the following features and functions:
The watch employs classic mode architecture for navigation between modes. The default mode
is the time mode, and the user can press button S1 to switch between different function modes.
The operation is as below:
The display in time mode is shown below:
1. FUNCTION DESCRIPTION
2. MODE ARCHITECTURE
3. OPERATION IN TIME OF DAY
S1
S1
S1
Time Mode Chronograph ModeWorld Time Mode
S1 S1
S1
Mode Indicator
Hour/Minute
Day of Week Date

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BASIC OPERATIONS:
»Pressing button S1 will change to the next function mode,world time.
»Pressing button S4 will turn on thr EL backlight for 3 seconds.
»A long press of button S3 for 3 seconds will turn off the digital display except for the
“TIME” icon. If you press S3 again,then the digital display resumes.
»Pulling out the crown (S5) will enter time-set and hands-adjusting state.
SETTING DIGITAL TIME AND ADJUSTING THE ANALOG HAND:
Normally, the analog time is synchronized with the digital time. However, after some time, the
analog hands might become misaligned, requiring adjustment. Additionally, if you wish to set a
different time and date on your watch, you will need to make adjustments. To set the digital time
and date or adjust the analog time, follow these steps:
S3
S3 for 3s S3
S1
S1
Set Hour
Set Minute
Set Second
S1
S1
Set Time Zone
S1
S1
S1
S1
S1
Set Hour Format
Set
Date
Set
Month
Set Yea r
Pull out Crown
Push in Crown
Turn
round
Crown
Set Hour
Set Hour Formart Set Date Set Month Set Year
Set Time Zone
Adjust Hour and Minute hands
Set Minute Set Second S1
S1
S1
S1
S1
S1 S1 S2 or S3
S1 S1

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1. In the Time Display Mode, pull out the crown (S5) to enter the setting state.
2. When you enter the setting state, digital time updating is paused, and all hands come to a
stop. The setting item blinks red.
3. For all setting items except hour format or adjusting hands, pressing button S3 will increase
the setting value, while pressing button S2 will decrease it. A long press of either button for 1
second will enable fast adjustment of the setting value. Releasing the button will exit the fast
adjustment mode.
4. To maintain synchrony between the analog hand and digital time, ensure that the digital second
value matches the second hand when setting the second.
5. When adjusting the hour and minute hands, turning the crown clockwise or counterclockwise
will adjust the hand positions. Ensure that the hands align with the digital hours and minutes.
6. When setting the hour format, pressing button S3 or S2 toggles between the 12-hour and
24-hour formats.
7. While in the set state, pushing in the crown saves all settings and automatically returns to the
normal time display. The time for updating resumes immediately.
The display in time mode is shown below:
4. OPERATION IN WORLD TIME MODE
Mode Indicator
World City Name
World Time (Hour / Minute)
BASIC OPERATIONS:
• Pressing button S1 will change to the next function mode, chronograph.
• Pressing button S2 will change world time to the last city.
• Pressing button S3 will change world time to the next city.
• Pressing button S4 will turn on the EL backlight for 3 seconds.
WORLD TIME ZONES:
Index City Code City Name UTC Offset
1 PPG Pago Pago, AS -11:00
2 HNL Honolulu, US -10:00
3 ANC Anchorage, US -9:00
4 AKT Alaska Standard -9:00
5 LAX Los Angeles, US -8:00
6 YVR Vancouver, CA -8:00
7 PST Pacific Standard -8:00
8 DEN Denver -7:00
9 YEA Edmonton -7:00
10 MST Mountain Standard -7:00
11 CHI Chicago -6:00
12 MEX Mexico City -6:00
13 YWG Winnipeg -6:00

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Index City Code City Name UTC Offset
14 CST Central Standard -6:00
15 MIA Miami -5:00
16 NYC New York -5:00
17 YTO Toronto -5:00
18 EST Eastern Standard -5:00
19 CCS Caracas -4:00
20 YHZ Halifax -4:00
21 SCL Santiago -4:00
22 AST Atlantic Standard -4:00
23 YYT St. Johns -3:30
24 BUE Buenos Aires -3:00
25 RIO Rio De Janerio -3:00
26 WGT West Greenland -3:00
27 FEN Fernando de Noronha -2:00
28 RAI Praia -1:00
29 EGT East Greenland -1:00
30 UTC Coordinated Universal Time 0:00
31 WET Western European Time 0:00
32 LIS Lisbon 0:00
33 LON London 0:00
34 WAT West Africa 1:00
35 AMS Amsterdam 1:00
36 BER Berlin 1:00
37 MAD Madrid 1:00
38 MCM Monte Carlo 1:00
39 PAR Paris 1:00
40 PRG Prague 1:00
41 ROM Rome 1:00
42 STO Stockholm 1:00
43 CAT Central Africa Time 2:00
44 EET Eastern European Time 2:00
45 SAT South Africa Standard 2:00
46 ATH Athens 2:00
47 CAI Cairo 2:00
48 HEL Helsinki 2:00
49 JRS Jerusalem 2:00
50 NIC Nicosia 2:00
51 ANK Ankara 3:00
52 EAT East Africa Time 3:00
53 BGW Baghdad 3:00
54 DOH Doha 3:00
55 JED Jeddah 3:00
56 MOS Moscow 3:00
57 THR Tehran 3:30
58 GST Gulf Standard 4:00
59 DXB Dubai 4:00
60 KBL Kabul 4:30
61 KHI Karachi 5:00
62 DEL Delhi 5:30
63 KTM Kathmandu 5:45
64 DAC Dhaka 6:00
65 RGN Yangon 6:30

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5. OPERATION IN CHRONOGRAPH
The display in chronograph mode is shown below:
When chronograph time is less than one hour
When chronograph time is over one hour
Chronograph Status
(*detail display
message see below)
Chronograph Status
(RST, RUN, STP)
Chronograph Time
(Minute/Second)
Chronograph Time
(Hour/Minute)
Chronograph Indicator
Chronograph Indicator
Chronograph Time
(Centisecond)
Chronograph Time
( Second )
CHRONOGRAPH STATUS DISPLAY MESSAGE:
“RST” : Chronograph is reset, all data are clean.
“STP” : Chronograph is stopped.
“RUN” : Chronograph is running.
“SPL” : Chronograph is in split state.
Index City Code City Name UTC Offset
66 CXT Christmas Island Time 7:00
67 BKK Bangkok 7:00
68 AWT Australian Western Standard 8:00
69 BEI Beijing 8:00
70 SHA Shanghai 8:00
71 CEB Cebu 8:00
72 HKG Hong Kong 8:00
73 KUL Kuala Lumpur 8:00
74 MNL Manila 8:00
75 PER Perth 8:00
76 SIN Singapore 8:00
77 TPE Taipei 8:00
78 SEO Seoul 9:00
79 TKY Tokyo 9:00
80 ADL Adelaide 9:30
81 AET Australian Eastern Standard 10:00
82 GUM Guam 10:00
83 SYD Sydney 10:00
84 NOU Noumea 11:00
85 WLG Wellington 12:00

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BASIC OPERATIONS:
»To return to the time display mode, simply press button S1.
»When the chronograph is not running, press button S3 to start timing immediately. Pressing
S3 again will stop the chronograph.
»If the chronograph is already running, pressing button S2 will keep the chronograph running,
but the displayed time will pause and the message “SPL” will flash. After 5 seconds, it will
return to the normal running time display.
»When the chronograph is stopped, a short press of button S2 will clear the current chronograph
running time.
»If the chronograph is running and reaches the maximum time, it will stop automatically and
display the maximum time as 23 hours, 59 minutes, 59 seconds, and 99 hundredths of a
second.
»In any state, pressing button S4 will activate the EL backlight for 3 seconds.
6. MODULE SPECIFICATIONS
Module Diameter: Ф36.20 mm
Module Thickness: 7.50 mm
Work Temperature: -100C~600C
Work Voltage: 3.0 V
Standby Work Current: < 5.5 uA
Battery: Maxell CR2025 (140mAh)
Est. Battery Enduration: 24 months