2
PRODUCT DESCRIPTION
1. Display screen
2. Stylus
3. Charging LED indicator
4. DC5V Charging port
5. Lock / Unlock
button for writing board
6. Clear button
7. Writing board
TECHNICAL SPECIFICATIONS
5V
0.2A
1 x Li-ion battery 120mAh 3.7V
BATTERY CHARGING
Before first use and for each charging operation, proceed as below:
1.
Plug one end of the included USB charging cable into the DC 5V jack of the calculator. Connect
the other end to the USB port of your computer or other charging device. Make sure the ends are
fully inserted.
-
DO NOT use when charging !
-
If you intended to charge it with an adapter (not included), make sure that its input
voltage does not exceed 5V otherwise it may damage the product.
2.
After connection, the charging LED turns red. It remains red when charging and turns off when
finished charging.
3.
Then, unplug the USB cable.
Notes
:
Charging for full charge: About 90 minutes
In order not to affect the life of the rechargeable battery, it is recommended to charge it once every
three months.
If the handwriting board cannot be cleared while it is on unlock position
, please charge the
product.
OPERATION
A. FUNCTIONS OF BASIC KEYS
KEY
FUNCTION
DESCRIPTION OF FUNCTION(S)/ OTHER FUNCTION(S)
ON
C/CE
TO TURN
ON
ON
= Clear all digits or results on the screen.
CCE
= After charging, press
ON
. If 0 displays, its means that the battery is charged.
C/CE
OFF
TO TURN
OFF
AC
TO CLEAR
During digital input, pressing this key for the first time will clear all values except the
calculator memory content.
Number keys: From 0 to 9
Operation keys: +,
-
, ×, ÷ and =
：
addition, subtraction, multiplication, division, equal sign
%
：
Percent sign
*
Note: The maximum number of digits that can be input on the screen is 12. If there are
more than 12, an error mark “E” displays at the left corner.
English
