Why won't my Tacklife S350 rangefinder turn on?

Q: Why won't my Tacklife S350 rangefinder turn on?

Start by checking that the 3 AAA 1.5V batteries are properly installed and charged . Open the compartment at the back of the rangefinder, check their presence, condition (no signs of corrosion), and that the positive terminals are facing up. If in doubt, replace the batteries even if they seem new, as low voltage can prevent the device from starting. If the batteries are recent and properly oriented, gently clean the metal contacts in the compartment and at the base of the batteries with a dry cloth. The device can corrode over time, especially if the batteries have been left inside for a long time without use. In the future, remove the batteries during prolonged inactivity to avoid this corrosion. Now try to turn on the S350: simply press the power button once . The device and the laser should start immediately. The backlit LCD screen should light up. Note that the device automatically turns off after 150 seconds of inactivity to save energy. If this has happened, wait a few seconds and then press the button again. If the button still does not respond after replacing the batteries and cleaning the contacts, the issue may be with the power button or an internal failure. You can check that it is not just a backlight issue: this screen lights up automatically for 15 seconds after any button press, but if there is no sign of life (no screen, no laser, no sound) after several attempts with new and cleaned batteries, contact Tacklife support at support@tacklife.net or consult a repair center.

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Accepted Answer

Start by checking that the 3 AAA 1.5V batteries are properly installed and charged. Open the compartment at the back of the rangefinder, check their presence, condition (no signs of corrosion), and that the positive terminals are facing up. If in doubt, replace the batteries even if they seem new, as low voltage can prevent the device from starting.

If the batteries are recent and properly oriented, gently clean the metal contacts in the compartment and at the base of the batteries with a dry cloth. The device can corrode over time, especially if the batteries have been left inside for a long time without use. In the future, remove the batteries during prolonged inactivity to avoid this corrosion.

Now try to turn on the S350: simply press the power button once. The device and the laser should start immediately. The backlit LCD screen should light up. Note that the device automatically turns off after 150 seconds of inactivity to save energy. If this has happened, wait a few seconds and then press the button again.

If the button still does not respond after replacing the batteries and cleaning the contacts, the issue may be with the power button or an internal failure. You can check that it is not just a backlight issue: this screen lights up automatically for 15 seconds after any button press, but if there is no sign of life (no screen, no laser, no sound) after several attempts with new and cleaned batteries, contact Tacklife support at support@tacklife.net or consult a repair center.

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