J BURROWS JB12DESK Desktop Calculator Instruction Manual
- June 6, 2024
- J.burrows
Table of Contents
J BURROWS JB12DESK Desktop Calculator
KEY OPERATIONS
- OFF : Power off
- ON/AC : Power on I All clear
- CE: Right shift key (Shifts the displayed value to the right, deleting the rightmost digit}.
: Numeral key
: Function key- M+ : Memory plus (Adds the displayed value to the independent memory).
- M – : Memory minus (Subtracts the displayed value from the independent memory}.
- MRC : Recall memory I Memory clear.
- GT : Grand total, results are accumulated in the grand total by depressing the = or % key. Pressed once, it recalls the grand total. If pressed twice, it clears the grand total.
- 00 : Fast addition of “0” (Displays two “0” when pressed once}.
- MU : Mark-up I Mark-down key.
LCD DISPLAY
HOW TO CHANGE THE BATTERY
-
This product utilizes two power sources：
SOLAR Energy
LR54 alkaline button battery (1.5V) -
Opening the battery compartment by using cross screwdriver.
-
When the display becomes blurry, this indicates the calculator is low on battery. Recharge by leaving it in a bright location but out of direct sunlight, or replace the battery.
CALCULATION EXAMPLES
| Example | Operation | Display |
|---|
100+50·30
| ON / AC
100 [±] 50G 308
| ****
GRN &l TOTAL 120.
1234567890 x
| 1234567890 [Kl| 1234567890
66666=| 666668| ERROR
82.3037029547
!ON/AC!__| 0.
• 10′!1.Df 1500
| ****
15[QQJ 01000
| ****
GRAND TOTAL 150.
5% add-on of 1500| 15[QQ]IIJ 5 00| GRAND TOTAL 1575.
(1500+5%=)
(1500-5%=)
| ****
15[QQJG s 00
| QRAND TOTAL 1425.
• percentage of 20
AGAINST 500
| 20 ÷5 *00| GRAND TOTAL 4.
368+97+97=
| ****
368(±)9788
| ****
GRAND TOTAL 562.
939-47-47-47=| 839G 47888| QRAND TOTAL 698.
5 “‘ =| 5 ÷ 8�8�| GRAND TOTAL 0.0016
22.5’=| 22.51:KJ88| GRAND TOTAL 11’390.625
WARNING!
- KEEP BATTERIES OUT OF REACH OF CHILDREN.
- Never allow children to replace button batteries on any device.
- Swallowing or placing inside any part of the body may lead to severe or fatal injuries in as little as 2 hours or less due to chemical burns and potential
- perforation of the oesophagus.
- If you suspect your child has swallowed a button battery or placed it inside any part of the body immediately call the 24-hour POISONS INFORMATION CENTRE on 13 11 26 for prompt advice. If your child is having any difficulty breathing, contact 000.
- Examine devices and make sure the battery compartment is correctly secured, e.g. that the screw or other mechanical fastener is tightened.
- Do not use if the compartment is not secure.
- Dispose of used button/coin batteries immediately and safely. A battery can still be dangerous even when it can no longer operate the device.
- Place sticky tape around both sides of the battery and dispose of it immediately out of reach of children in an outside bin or recycle safely.
- Tell others about the risk associated with button batteries and how to keep their children safe.