AD-5709/AD-5709-E Waterproof Timer

Safety Precautions

This manual describes the conditions to follow so that you can prevent any damages to yourself or anyone else and handle the product safely.

Warning Definitions

To prevent accidents due to inappropriate handling, this manual and the product contain the following warning sign. The meaning of the warning sign is as follows:

⚠️ Potentially hazardous situation: which, if not avoided, may result in personal injury or property damage.

Important Precautions

• Repair: Do not open the case to repair. Doing so will void the warranty and also can damage the product or cause malfunction.
• Device Abnormalities: When an abnormality is observed with the device, immediately stop using it. Attach a label that indicates the trouble to the device, or place it somewhere else where it will not be mistakenly used. It is very dangerous to keep using it in such situation. For repair, please contact your local A&D dealer or A&D customer service.

Precautions for Use

• Do not apply strong impacts, vibrations, or electrical shocks to the product as they may cause the product to malfunction.
• Do not use the product in places where it will be exposed to direct sunlight for a long time, in a closed car, or near a heater such as a stove. The operating temperature range of this product is 0 to 40℃. Use of the product outside this temperature range may cause the product to malfunction.
• Avoid using the product in places with sudden changes in temperature, high temperature, high humidity, or high dust levels.
• Although the product is waterproof, do not place the product in a location where the product will be wet for a long time or in water. If the buzzer is immersed in water, the sound volume may become low. In such a case, shake the product gently to remove the water. The waterproof performance of this product is equivalent to JISC 0920 Protection Class 7, and the product maintains waterproof performance for 30 minutes in still water at a depth of 1 m at room temperature.
• When a low battery is inserted or the battery runs low during use, the buzzer may suddenly ring when a button is pressed, the buzzer may not stop by button operation, the display may not be normal, or the buttons may not operate. In this case, replace the battery as described in "6. Installing/Replacing Battery".
• This product has a magnet attached on the rear side. Therefore, it is extremely dangerous to place this product near a person with an electronic medical device such as a pacemaker or any other electronic medical device as it may impair the normal operation of the medical device and may result in death.
• Places with strong magnetic or electric fields (TVs, induction cookers, microwave ovens, etc.) may affect the device. Please avoid using the product in such places.
• To prevent hazards, do not use the product in the presence of flammable gases.
• Do not open or disassemble the casing as this may cause the product to malfunction.

Part Names and Functions

LC Display

The LC display shows time in minutes and seconds (MM:SS format).

Front Side

The front of the timer features the display and control buttons:

• ① Green LED lamp: Indicator light.
• ② LCD screen: Displays time and status.
• ③ Start/Pause button: Starts or pauses the timer operation.
• ④ Stop/Reset button: Stops the timer operation or resets the display to 00:00.
• ⑤ 1-minute button: Adds 1 minute to the set alarm time.
• ⑥ 10-minute button: Adds 10 minutes to the set alarm time.
• ⑦ 10-second button: Adds 10 seconds to the set alarm time.
• ⑧ Alarm sound switching button (?): Cycles through alarm sound types (A, B, C, OFF).

Rear Side

The rear of the timer includes attachment points and the battery compartment:

• ⑨ Lanyard hole: For attaching a lanyard.
• ⑩ Hanging hole: For hanging the timer.
• ⑪ Magnet: For attaching to metal surfaces.
• ⑫ Battery cover: Covers the battery compartment.
• ⑬ Buzzer: Emits alarm sounds.

Product Placement

• The timer can be attached to a metal surface using the magnet on the rear side. Ensure the surface is not slippery to prevent the timer from falling.
• A lanyard can be attached to the lanyard hole (lanyard not included) for hanging the product around the neck.

Installing/Replacing Battery

The timer uses one CR2032 coin-cell battery, which is not installed at the time of purchase. Replace the battery when the [battery low indicator] symbol is displayed.

Batteries are available at convenience stores, supermarkets, DIY stores, and electronics centers.

Important: If the main unit is wet, wipe off the water thoroughly before replacing the batteries. Water entering the product may cause a malfunction.

Replacing the Battery

1. Remove the battery cover on the back of the main unit by turning the cover counterclockwise (to the left) using a coin.
2. Remove the old battery from the battery compartment.
3. Insert the new CR2032 coin-cell battery with the '+' polarity indicator facing up.
4. Replace the battery cover. Ensure the O-ring is properly seated on the main body side. Turn the battery cover clockwise until the arrow on the cover aligns with the point on the main body. Improper installation may allow water to enter and cause malfunction.

Precautions for Battery Use

• The included battery is for monitoring purposes, and its life may be short.
• If the product is not going to be used for a long time, remove the battery and store it separately.
• Be sure to use the specified battery: one CR2032 coin-cell battery.
• Ensure the battery is inserted with the correct polarities (+/-). Incorrect insertion may prevent the product from working or cause malfunction.
• Do not charge, short-circuit, disassemble, or expose the battery to fire, as this may cause the battery to explode or leak.
• Keep batteries out of the reach of children. If a child accidentally swallows a battery, consult a physician immediately.
• Dispose of used batteries according to local environmental regulations.

Operations

This timer features both "count-up" and "count-down" functions. The timer enters a power-saving mode, turning off the display after approximately 15 minutes of inactivity. The display remains on during counting operations.

Count-down Function

The alarm time can be set from 00:00 up to 99 minutes and 50 seconds.

Setting an Alarm Time

Example: Setting the timer to 12 minutes and 30 seconds:

1. Press the "10 min" button once. "10M00S" is displayed.
2. Press the "1 min" button twice. "12M00S" is displayed.
3. Press the "10 sec" button three times. "12M30S" is displayed.
4. Press the "Start/Pause" button to begin the countdown.
5. When the set alarm time is reached, "00M00S" is displayed. The green LED lamps on the sides will blink, and the buzzer will sound for approximately 30 seconds.
6. After the buzzer stops and the lamps stop blinking, the display returns to the previously set alarm time (e.g., "12M30S").

Changing the Alarm Buzzer Sounds

Press the "Alarm sound switching" button (?) to select the alarm buzzer sound. Options include Type A, Type B, Type C, or OFF. The default setting is Type A. Button operation sounds are unaffected by this setting.

• Buzzer Type A: "beep-beep-beep" ...
• Buzzer Type B: "beep-beep" ...
• Buzzer Type C: "beep" ...
• OFF: No buzzer sound. Only the lamps will blink when the alarm time is reached.

Stopping the Alarm

To stop the blinking lamps and buzzer after the alarm time has passed, press any button, including the "Stop/Reset" button. The alarm will cease, and the display will show the alarm setting time again.

Pausing Timer Operation

To pause the timer during operation, press the "Start/Pause" button. Press it again to resume the operation.

Stopping Timer Operation

To stop the timer during operation, press the "Stop/Reset" button. The timer will stop, and the display will return to the alarm setting time.

Resetting Alarm Setting

To reset the alarm setting value to "00M00S", press the "Stop/Reset" button.

Changing Alarm Time Setting

If the timer is currently running, stop the operation first before setting a new alarm time.

Count-up Function

This timer can measure time by counting up from 00:00 to 99:59. After reaching 99:59, it resets and continues counting from 00:00.

Starting Count-up Operation

Press the "Start/Pause" button when "00M00S" is displayed to begin counting up.

Pausing Count-up Operation

Press the "Start/Pause" button during counting up to pause. Press it again to resume.

Stopping Count-up Operation

Press the "Stop/Reset" button or the "Start/Pause" button during counting up to stop. Press the "Stop/Reset" button again to reset the display to "00M00S".

Maintenance

To clean the product, wring out a soft, damp cloth and wipe gently. Do not use thinners, benzene-like volatile solvents, or abrasive cleaners.

Specifications

Manufacturer Information

A&D Company, Limited

3-23-14 Higashi-Ikebukuro, Toshima-ku, Tokyo 170-0013, JAPAN

Telephone: [81] (3) 5391-6132 Fax: [81] (3) 5391-1566