1. Ifihan
This manual provides detailed instructions for the operation and maintenance of your Casio W-735H-8A2VDF Digital Wristwatch. This timepiece is designed for durability and functionality, featuring a 10-year battery, 100-meter water resistance, and a vibration alarm. Please read this manual thoroughly to ensure proper use and to maximize the lifespan of your watch.

Aworan 1.1: Iwaju view of the Casio W-735H-8A2VDF Digital Wristwatch. The watch features a grey resin case and strap, a black digital display with time, date, and mode indicators, and buttons labeled 'ADJUST', 'MODE', 'LIGHT', 'SPLIT', and 'START'. The bezel is marked 'VIBRATION ALARM' and 'SUPER ILLUMINATOR'.
2. Eto
2.1 Eto Aago ati Ọjọ
- Ni Ipo Itọju akoko, di mọlẹ ṢAtunṣe button (top left) until the seconds begin to flash, indicating the setting screen.
- Tẹ awọn MODE button (bottom left) to cycle through the settings: Seconds → DST (Daylight Saving Time) → Hour → Minute → Year → Month → Day.
- Lo awọn BERE button (top right) to increase the flashing value or the PIN button (bottom right) to decrease it. For seconds, pressing BERE resets them to 00.
- Ni kete ti gbogbo eto ba tọ, tẹ bọtini naa ṢAtunṣe bọtini lati jade iboju eto.
2.2 Eto Itaniji
- Lati Ipo Itọju akoko, tẹ bọtini naa MODE button until you reach the Alarm Mode (indicated by 'ALM' on the display).
- Mu mọlẹ ṢAtunṣe Bọtini titi awọn nọmba wakati itaniji yoo bẹrẹ lati filasi.
- Lo awọn BERE ati PIN awọn bọtini lati ṣeto aago itaniji ti o fẹ ati iṣẹju.
- Tẹ awọn MODE bọtini lati yi laarin ṣeto wakati ati iṣẹju.
- Tẹ awọn ṢAtunṣe button to exit the alarm setting screen.
2.3 Activating Vibration Alarm and Hourly Ifihan agbara Aago
- Ni Ipo Itaniji, tẹ bọtini naa BERE Bọtini lati yi itaniji TAN/PA. Atọka itaniji yoo han nigbati o nṣiṣẹ.
- Tẹ awọn PIN button to toggle the Hourly Time Signal ON/OFF. A signal indicator will appear when active.
- To activate the vibration for the alarm, press and hold the BERE button in Alarm Mode until 'VIB' appears on the display. Repeat to deactivate.
3. Awọn ilana Iṣiṣẹ
3.1 Ipo Lilọ kiri
Tẹ awọn MODE button (bottom left) to cycle through the different modes:
- Ipo Itọju akoko (akoko lọwọlọwọ, ọjọ)
- Stopwatch Mode ('ST')
- Countdown Timer Mode ('TR')
- Alarm Mode ('ALM')

Aworan 3.1: Apa view of the Casio W-735H-8A2VDF Digital Wristwatch. This image highlights the four operational buttons on the watch's sides, labeled 'ADJUST', 'MODE', 'SPLIT', and 'START', which are used for navigating modes and setting functions.
3.2 Aago Aago
- Enter Stopwatch Mode ('ST').
- Tẹ BERE (top right) to begin timing.
- Tẹ BERE lẹẹkansi lati da akoko.
- Tẹ ṢAtunṣe (top left) to reset the stopwatch to zero.
- Láti gba àwọn àkókò pípín sílẹ̀, tẹ PIN (bottom right) while the stopwatch is running. The display will show the split time. Press PIN lẹẹkansi lati pada si akoko ti o ti kọja.
3.3 Iṣẹ́ Àkókò Kíkà Sílẹ̀
- Enter Countdown Timer Mode ('TR').
- Mu mọlẹ ṢAtunṣe button until the timer settings begin to flash.
- Lo awọn BERE ati PIN buttons to set the desired countdown time (hours, minutes, seconds).
- Tẹ ṢAtunṣe lati jade ni iboju eto.
- Tẹ BERE lati bẹrẹ kika. Tẹ BERE lẹẹkansi lati da duro / bẹrẹ.
- When the countdown reaches zero, the watch will emit an alarm or vibrate (if set). Press any button to stop the alert.
3.4 Using the Illuminator (LED Backlight)
Tẹ awọn Imọlẹ button (bottom center) to illuminate the display for easy viewing in low-light conditions. The backlight duration is preset.
4. Itọju
4.1 Ninu rẹ Watch
Regularly wipe your watch with a soft, dry cloth to remove dirt and moisture. For stubborn dirt, use a soft cloth dampened pẹlu omi ati ki o kan ìwọnba didoju detergent, ki o si mu ese gbẹ. Yago fun lilo awọn aṣoju iyipada bi tinrin tabi benzine, nitori wọn le ba awọn paati resini jẹ.
4.2 Omi Resistance Awọn iṣọra
Your Casio W-735H-8A2VDF is rated for 100-meter water resistance. This means it is suitable for swimming and snorkeling. However, avoid operating the watch buttons while it is submerged in water. Do not use the watch for scuba diving or other types of diving that require air tanks.
4.3 Batiri Rirọpo
The watch is equipped with an LR44 battery designed for approximately 10 years of operation. When the display becomes dim or functions become erratic, it indicates that the battery power is low. Battery replacement should be performed by a qualified technician to ensure proper water resistance and function. Do not attempt to replace the battery yourself.

Aworan 4.1: Pada view of the Casio W-735H-8A2VDF Digital Wristwatch. The stainless steel case back is visible, engraved with 'CASIO', 'WATER RESIST 10BAR', 'STAINLESS STEEL BACK', and 'SHOCK RESIST', along with the model number.
5. Laasigbotitusita
- Time/Date is Incorrect: Re-enter the Timekeeping Mode and adjust the time and date settings as described in Section 2.1. Ensure DST (Daylight Saving Time) is set correctly for your region.
- Alarm Not Sounding/Vibrating: Check if the alarm is activated in Alarm Mode (Section 2.3). Verify that the vibration alarm is enabled if you prefer vibration over sound.
- Display is Blank or Faint: This usually indicates a low battery. Contact a qualified watch technician for battery replacement.
- Buttons Are Unresponsive: If the watch is unresponsive, try pressing all four buttons simultaneously for a few seconds to perform a soft reset. If the issue persists, the battery may be completely depleted or there may be an internal malfunction requiring professional service.
6. Awọn pato
| Nọmba awoṣe | W-735H-8A2VDF |
| Omi Resistance | 100 mita (10 BAR) |
| Batiri Iru | 1 x LR44 (approx. 10-year life) |
| Yiye | ±30 seconds per month (average) |
| Awọn iṣẹ | Timekeeping, Stopwatch, Countdown Timer, Multi-function Alarms (with vibration), Hourly Time Signal, LED Backlight |
| Awọn iwọn | 3.15 x 4.8 x 3.54 inches |
| Iwọn | 1.06 iwon |

Aworan 6.1: The Casio W-735H-8A2VDF Digital Wristwatch displayed on a wrist, illustrating its size and fit for daily wear.
7. Atilẹyin ọja ati Support
For detailed information regarding the product warranty, please refer to the warranty card included with your purchase or visit the official Casio website. For customer support, service, or inquiries about replacement parts, please contact Casio customer service directly through their official channels.
Casio Osise Webojula: www.casio.com