User's Manual

Safety Precaution

1. The input voltage of the AC adapter is 100V - 240V, and the

output is DC 5V / 2A.

2. When the Braille Sense OnHand is shipped, the battery may be

separate from the unit to avoid damage. The battery may not be

fully charged when it is shipped. Before you use the Braille Sense

OnHand, you should make sure the battery is fully charged.

When you use the Braille Sense OnHand for the first time, you

may need to open the package, take the battery, and insert it into

the battery slot at the rear panel of the unit. It is possible that the

dealer or distributor from whom you purchased the Braille Sense

OnHand from has already done this for you.

3. When you use the Braille Sense OnHand with the battery for the

first time, the battery status may not be displayed accurately. In

order to avoid this, connect the Braille Sense OnHand to the AC

adapter for about three hours with turn on. If you want to use the

Braille Sense OnHand immediately after opening the box, you will

need to connect the AC adapter to the unit for more than three

hours to fully charge the battery.

4. If you want or need to take the battery out of the unit, turn the

power off, and then take the battery out of the unit. Before putting

the battery back in to the unit, make certain that the power switch

is turned off.

5. When you are using the Braille Sense OnHand on battery power

only (without the AC adapter), the status of the remaining battery

power will be announced when the battery power is low. When

the battery’s charge falls below 15 percent, connect the AC

adapter to the unit for recharging. If the remaining battery power

drops to five percent, and the unit is not connected to the AC

adapter, the Braille Sense OnHand will shut down one minute

after the announcement of the battery’s status. The amount of