Datexx DC-211 User manual

FEATURES
• LCD clock w/date, month and seconds tilts for best view.
• 8 Digit calculator with memory, percent and square root keys.
• Special slots hold business cards, floppy or disks.
• Solar powered calculator with battery backup.
• Automatic power off if left unused for about 7 minutes.
INSTALLING MOUSE CORD HOLDER
Insert the Mouse Cord Holder into the slot at the
top center of the mousepad. Place the mouse
cord into the holder with enough slack to move
freely.
OPERATING THE CALCULATOR
ON/C key – turns on the calculator. The calculator automatically turns
off after about 7 minutes if no key is pressed.
+/– key – Press to change the displayed number from positive (+) to
negative (–) or from negative (–) to positive (+). –appears when the
value is negative.
CE key – Press CE to delete the displayed number without losing any
pending calculation. If a result is too large to show on the display, the
calculator stops and displays
E . Press CE to resume calculating.
Press ON/C to clear the entire calculation.
PERFORMING CALCULATIONS
Press Displayed
Addition (+)
Example: 6 + 7 = 13. [6] + [7] = 13
Subtraction (–)
Example: 10 – 4 = 6. [1] [0] – [4] = 6
Multiplication (x)
Example: 7 x 5 = 35. [7] x [5] = 35
Division (∏)
Example: 14 ∏7 = 2. [1] [4] ∏[7] = 2
USING THE CLOCK
Press the SET button to cycle the time, date and
seconds displays. The display reverts back to the
time after a few seconds. Press MODE once to
cycle the time and date displays until SET is pressed.
SETTING THE CLOCK
Press MODE twice. The month is displayed.
Press SET to select the month, Press MODE,
Press SET to select the date, Press MODE,
Press SET to select the hour, (AM or PM), Press MODE,
Press SET to select the minute, Press MODE.
The month, date and current time are now set.
USING THE CALCULATOR
Percentages (%)
Press Displayed
Example:
Calculate 6% of 100. [1] [0] [0] x [6] % 6
Example:
Add 6% tax to $20. [2] [0] + [6] % 21.2
Example: Calculate a
20% discount from $150. [1] [5] [0] – [2] [0] %
120
CONSTANT CALCULATIONS
Press = to repeat last function.
Example: Calculate 5 x 5 x 5 x 5 + 2 + 2 = 629
Press [5] x = = = + [2] = =
629
MEMORY FUNCTIONS
M + Press to add the displayed number to memory.
Mappears in the display
M – Press to subtract the displayed number from memory.
MRC Press to display number in memory.
Press twice to clear the memory.
CARE AND MAINTENANCE
Keep the calculator dry. If it gets wet, wipe it dry before use.
Do not use harsh solvents or detergents to clean the mousepad.
REPLACING BATTERIES
Clock
1.Remove the two screws on clock bat-
tery cover.
2.Remove the old battery and insert
new LR41 battery with + side up.
3.Replace the clock battery cover and
secure the two screws.
Calculator
1.Remove the one screw on calculator
battery cover.
2.Remove the old battery and insert
new LR1130 battery with + side up.
3.Replace the calculator battery cover
and secure the one screw.
Mega Mousepad Calculator with Clock www.datexx.com
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DC-211