A&D SF-6KA User manual

S
SF F/ /S SG G S Se er ri ie es s
P
Pr ri ic ce e C Co om mp pu ut ti in ng g S Sc ca al le es s
Instruction Manual
137-1A-IE

SF/SG Series Instruction Manual
Index
Item Number Description Page
Unpacking and Inspecting 2
Specifications 3
Main Operating Components 4
1 Zero Point Adjustment 5
2 Tare Adjustment 5
3 Keypad Tare Entry 6
4 Setting Unit Price 7
5 Storing a Unit Price in Memory 8
6 Recalling a Unit Price from Memory 8
7 Totaling Multiple Items with Unit Prices Stored in PLU Memory 8
8 Clearing Totaling Memory 8
9 Multiplier Function 9
10 Calculating Correct Change for the Customer 10
11 Clear Entry Function 10
12 Automatic Cancellation of Unit Price 11
13 Setting “F”Functions 11
1

Thank you for purchasing our A&D SF/SG Series price computing scale. Before using your
new price computing scale, please read the operating instructions.
Warning before connecting power plug:
Thank You...
– Do not place a load on the weighing pan before connecting the power supply.
– Check the power requirement label next to the power switch on the lower left side of the body
of the SF/SG to confirm that it corresponds to your local power requirements. Or when
appropriate, check the AC adapter.
• Unpacking and inspecting
– The SF/SG price computing scales are precision instruments, please handle them with care.
– Please inspect your new SF/SG when unpacking, and retain the shipping container in the event
that you need to return the unit to your dealer for repair.
– The following items should be included in your shipping container:
• SF/SG price computing scale.
• AC power adapter (except SF-A).
• Optional rechargeable battery (SF-C), if ordered.
• Optional RS-232C, if ordered.
• Instructional manual
• Various models are capable of using rechargeable or 6 D size replaceable batteries. D size
replaceable batteries are not shipped with the unit and must be purchased locally:
– SF-6KA, 15KA, 30KA AC only
– SF-6KB, 15KB, 30KB AC adapter (D size capable)
– SF-6KC, 15KC, 30KC AC adapter (rechargeable battery capable)
– SG-6KA, 15KA, 30KA AC adapter (D size capable)
FUSE T 200mA
9V 70mA
A&D Company, Limited
AC ADAPTER
TB-162
91-45273
INPUT: AC100V
OUTPUT : DC7.5V 250mA
2

Specification Table
Operating Temperature:
-10ºC ~ 40ºC / 14ºF ~ 104 ºF; RH less than 85%
*Note:
1. Rechargeable batteries are sold as an option.
2. D size batteries are not included with the unit & must be purchased locally.
Price
Model Capacity Display Type AC Type Battery Lookup Options
Type Capability
SF- 6KA 6kg x 2g VFD Tower AC hardwired No 30 RS-232C
SF-15KA 15kg x 5g VFD Tower AC hardwired No 30 RS-232C
SF-30KA 30kg x 10g VFD Tower AC hardwired No 30 RS-232C
SF- 6KB 6kg x 2g LCD Tower AC adapter 6 D size 30 RS-232C
SF-15KB 15kg x 5g LCD Tower AC adapter 6 D size 30 RS-232C
SF-30KB 30kg x 10g LCD Tower AC adapter 6 D size 30 RS-232C
SF- 6KC 6kg x 2g VFD Tower AC adapter Rechargeable* 30 RS-232C
SF-15KC 15kg x 5g VFD Tower AC adapter Rechargeable* 30 RS-232C
SF-30KC 30kg x 10g VFD Tower AC adapter Rechargeable* 30 RS-232C
SG- 6KA 6kg x 2g LCD Table top AC adapter 6 D size 12 RS-232C
SG-15KA 15kg x 5g LCD Table top AC adapter 6 D size 12 RS-232C
SG-30KA 30kg x 10g LCD Table top AC adapter 6 D size 12 RS-232C
Display: LCD Type VFD Type
Weight Display: 5 5
Price Display: 7 7
Unit Price Display: 6 6
Character Size:
Weight Display: 18mm 13mm
Price Display: 20mm 13mm
Unit Price Display: 18mm 13mm
Weighing Pan Size:
300mm x 280mm
Physical Weight of the Scale:
SF Series Approximately 5.5kg
SG Series Approximately 4.5kg
SF/SG Series Specifications
Resolution: 1/3000
Sensor: Strain gauged load cell
3
Numerical Digits

SF/SG Series Main Operating Components
WEIGHT
PRICE
UNIT PRICE
88888
8888888888
88888
8888888
88888888888888
8888888
888888
888888888888
888888
kg
$
$/kg
SF-15KA
Max. 15kg Min 0.1kg e=0.005kg
24 25 26 27 28 29 30
17 18 19 20 21 22 23
910 11 12 13 14 15
1234567
16
8
0
123
456
789
(
(
X
CE
.
.
.
C
Change
MEM
*
T
M+
O
Net Zero
Total M+
Change
Multiple displays
• Weight of product
•Zero & Tare
• Price of product
•Memory & total sale
• Unit price of product ($/kg )
•Payment received
•Change required
Power Switch turns the power to
the unit on and off.
Change
12
5678
234
11
WEIGHT kg UNIT PRICE $/kg PRICE $
TTL
M+
CHANGE
NET
ZERO
88888
8888888888
88888 888888
888888888888
888888 8888888
88888888888888
8888888
C
3
456
89
7
10
2
1
M+
*
O
O
O
CE
MEM
O
(
(
X
T
1
910
Standby/Operate turns
displays on and off , but does
not control power.
M+
CE
X
STANDBY/OPERATE: Turns the
displays on and off (does not turn
power off).
Ten numerical keys to enter price
and weight values.
CANCEL: Cancels key input, Unit
Price, and Total Price entries
CHANGE: Calculates the change
due to the customer after payment.
PRINT key
Stores each entry made during a
customer’s purchase, allowing
calculation for totals & change.
T
TARE
CHANGE
1
*
MEM
ZERO
0
MODE
(
(
CLEAR FROM MEMORY: Clears
prices entered by the M+ key.
MEMORY RECALL: Allows access
to product prices stored in memory.
ZERO: Zero’s the weight display
when no weight is on the weigh pan,
to provide accurate calculations.
Acts as a TOTAL key to calculate
the total price at the end of a sales
transaction.
MULTIPLIER key: Calculate the
total value of more than one of the
same item.
TARE: Subtracts unwanted weight,
such as the weight of a container,
from price calculations.
1
Memory storage
locations
C
4
1~0

SF/SG Series Operating Instructions
1. Zero Point Adjustment
The zero point is automatically adjusted when power is turned on. If the display shows
a positive or negative weight, the scale must be re-zeroed.
How to re-zero:
1. Assure that nothing is on the weigh pan.
2. Press
3. “0
00
0 ”should appear on the weight display
When weighing with a container, it is necessary to TARE out the weight of the container in order to
get an accurate price/weight reading.
How to operate TARE:
1. Place empty container (100g) on the weigh pan. Display reads “100
100100
100 ”:
2. Press
3. The weight display display should read:
4. When removing the weight from the pan the display reads “-100
100100
100 ”
ZERO
0
NET ZERO
0.000
0.0000.000
0.000 0.000
0.0000.000
0.000
NET
ZERO
Table top type Tower type
2. Tare Adjustment
T
TARE
Note:
When a TARE weight has been set, it is not possible to set a new TARE weight of
a lower value by the instructions above. It is necessary to delete the previous TARE
first, before entering a TARE of lower value.
0.000
0.0000.000
0.000 0.000
0.0000.000
0.000
NET
ZERO
NET ZERO
Table top type Tower type
5

SF/SG Series Operating Instructions
3. Keypad Tare Entry
(Usually this function is inhibited. If necessary, please ask your dealer.)
In addition to pressing to TARE out an empty container that has been placed on the
weigh pan, it is also possible to enter a TARE value with the numerical 10 key pad.
How to enter TARE using the 10 Key Pad:
Step 1: With no weight on weigh pan, turn on the SF/SG.
Display’s will read:
If a unit price has previously been entered, it will be displayed instead of 0.00 -
0.00 -0.00 -
0.00 -example
2.00
2.002.00
2.00 , this is OK.
Step 2: Enter the new TARE (e.g. 100g) with the 10 key pad.
Unit price display reads:
Step 3: Press TARE button
Weight display shows new tare
T
TARE
7 8 9
4 5 6
1 2 3
0 C
Numerical 10 Key Pad
CE
CHANGE
1M+
ZERO
0
T
TARE
*
MEM
X
MODE
(
(
1.00
1.001.00
1.00
UNIT PRICE
0.000
0.0000.000
0.000
UNIT PRICE
0.000
0.0000.000
0.000
WEIGHT
NET ZERO
Tower type
Keyboard Tare continued...
6
-0
-0-0
-0.
...100 100100
100
WEIGHT
NET ZERO
Tower type

SF/SG Series Operating Instructions
4. Setting Unit Price
1. Enter Unit Price by 10 key pad. Up to 6 digits may be entered.
The example below shows the entry of a unit price of $5.50:
2. Unit price entry must be completed within 3 seconds. Any delay beyond 3 seconds
will require the unit price to be re-entered.
Note about keyboard TARE:
1. If you enter a tare weight greater than the weighing capacity of the scale an error message
will display: “Err tr ”
2. When a TARE weight has been set, it is not possible to set a new TARE weight of a lower value by the
instructions above. It is necessary to delete the previous TARE first, before entering a TARE of lower value.
3. Any previous TARE entries will be cancelled when the key is pressed.
4.To cancel a TARE weight that has been entered, remove any weight from the weigh pan
and press
0
ZERO
T
TARE
NET ZERO
0.000
0.0000.000
0.000
WEIGHT UNIT PRICE
------
------------
------
PRICE
Err tr
Example
0.000
0.0000.000
0.000
WEIGHT
NET ZERO
UNIT PRICE
5.50
5.505.50
5.50
PRICE
0.00
0.000.00
0.00
7

SF/SG Series Operating Instructions
5. Storing a Unit Price in Memory
It is possible to store unit prices in memory for quick recall.
A. The SF model has 30 Price Look-Up keys (PLU).
B. The SG model has 12 PLU’s
The following instructions explain how to assign a unit price to a PLU key.
Step 1: Enter desired unit price by the 10 key pad.
Step 3: Press the desired PLU key
within 3 seconds of entering
unit price in 10 key pad.
( If you do not select this key within
3 seconds, a beep will sound ).
The unit price is now stored in the selected key.
Step 1: Press the desired PLU key
Example: A. Weight 1000g, Unit Price= $ 5.00 / 100g, PLU key #1
B. Weight 5000g, Unit Price= $10.00 / 100g, PLU key #2
Step 1: With the weigh pan empty, assure that the weight display reads 0.000
0.0000.000
0.000.
Step 2: Place the first item on the weigh pan.
Step 3: Select desired PLU key (PLU key #1 in this example).
Step 4: Press to add to purchase total.
Step 5: Remove item from weigh platform, put second item (item b) on weigh pan and repeat
Continue this process until all of the items have been weighed and the price totals are stored in
memory.
Final Step - Recalling TOTAL.
Press Using above example, displays read:
(
(
X
CE
MEM
T
O
M+
Change
*
.
.
.
910 12
5678
234
1
11
123
456
89
7
C
10
WEIGHT kg UNIT PRICE $/kg PRICE $
TTL
M+
CHANGE
NET
ZERO
O
A&D SG-15KA
Max 15k g Min 0. 1kg e=0.005 kg
0.000
0.0000.000
0.000 5.50
5.505.50
5.50 0.00
0.000.00
0.00
Step 2: Press
MEM
6. Recalling a Unit Price from Memory
7. Totaling Multiple Items with Unit Prices Stored in PLU Memory
SG Model
Steps 2~4, using appropriate PLU key.
M+
MODE
(
(
Total
TotalTotal
Total
WEIGHT
Totaling Indication
550.00
550.00550.00
550.00
PRICE
Total Price
2
22
2
UNIT PRICE
Total Number of
items calculated
Totaling continued...
8. Clearing Totaling Memory: Push when in the TOTAL mode.
C
8

SF/SG Series Operating Instructions
Note about Totaling Items:
A. The 10 key pad, PLU keys, and multiplier key may all be used during a single
transaction. (See X key operation below.)
B. An item must be removed from the weigh pan before another item can be weighed & entered
into totaling memory. The weight display must return to zero to re-set for next weighing.
C. The SF/SG have automatic power off capability. If there is a long delay in the middle of a transaction
which causes the scale to shut off, press , displays read 0’s. Press and the
displays will show the last total calculated. Additional items may now be calculated into the total.
Not all purchased items are sold by weight, items like canned goods, milk, apples, etc.
may be sold by the piece.
The SF/SG allow the operator to calculate all items purchased, those that require weigh/price
calculation and those that are sold by the piece, and provides a total price for both.
The Multiplier Function allows the operator to tell the scale how many of a given item he would like
to calculate.
Example: A customer is purchasing 10 cans of tuna fish at a cost of $1.00 per can.
Step 1: Enter unit price by the appropriate PLU key, or by 10 key pad. Unit price is displayed.
Step 2: Press PC
PCPC
PC is displayed.
Step 3: Enter multiplier by 10 key pad.
Example: 10 cans of tuna fish.
Result:
MODE
(
(
X
9. Multiplier Function: (Max. pieces allowed = 99; Max. unit price = 999999)
X
(
(
X
CE
MEM
T
O
M+
Change
*
.
.
.
910 12
5678
234
1
11
123
456
89
7
C
10
WEIGHT kg UNIT PRICE $/kg PRICE $
TTL
M+
CHANGE
NET
ZERO
O
A&D SG-15KA
Max 15k g Min 0. 1kg e=0.005 kg
pc 10
pc 10pc 10
pc 10 1.00
1.001.00
1.00 10.00
10.0010.00
10.00
PC 10
PC 10PC 10
PC 10 1.00
1.001.00
1.00 10.00
10.0010.00
10.00
WEIGHT UNIT PRICE PRICE
9

SF/SG Series Operating Instructions
10. Calculating Correct Change for the Customer
The purpose of this function is to allow the operator to determine the correct change to return to the
customer once payment has been made.
Example: There have been 4 entries and the total cost of the transaction is $80.00.
Step 1: Press . Displays
Step 2: Enter customer payment by 10 key pad (Example: $100)
Displays:
Step 3: Press . Displays:
The CE key is designed to clear the last entry made by the key, which places entries into
memory for totaling.
Step 1: You have entered a value with the M+ key and wish to cancel it.
Example: Assume that you entered 3 values totaling $55.00. The last (3rd) entry was $10.00.
Step 2: Press the key. Displays:
Step 3: Press the key. Displays:
Note: A. Only the last M+ entry can be cleared from memory by the CE key.
B. Pressing the key while in the total mode will delete all entries in memory.
C. Pressing the key will also delete: Pressing the key will not delete:
1. Active PLU entries. 1.
2. Active 10 key pad entries.
3. Active key entries.
4. Improper entry of money received from customer.
MODE
(
(
total
totaltotal
total 4
44
4 80.00
80.0080.00
80.00
WEIGHT UNIT PRICE PRICE
Rece iu
Rece iuRece iu
Rece iu 100.00
100.00100.00
100.00 80.00
80.0080.00
80.00
WEIGHT UNIT PRICE PRICE
CHANGE
120.00
20.0020.00
20.00 CH
CHCH
CH
WEIGHT UNIT PRICE PRICE
TOTAL M+
TOTAL M+
11. Clear Entry Function CE
M+
MODE
(
(
CE
total
totaltotal
total 3
33
3 55.00
55.0055.00
55.00
WEIGHT UNIT PRICE PRICE
total
totaltotal
total 2
22
2 45.00
45.0045.00
45.00
WEIGHT UNIT PRICE PRICE
TOTAL M+
TOTAL M+
C
C
X
C
PC
PCPC
PC 0.00
0.000.00
0.00 00.00
00.0000.00
00.00
WEIGHT UNIT PRICE PRICE entries.
Press key to cancel this operation.
MODE
(
(
10
Note: Push if an error is made while entering the amount of money received from the customer.
C

SF/SG Series Operating Instructions
12. Automatic Cancellation of Unit Price
In very busy applications, it may be more convenient for the Unit Price entry to return to zero after each
operation. (F2 should be “0”.)
To do this, press the key while the display is in normal operation.
Automatically clears unit price.
Does not automatically clears unit price.
While the display shows the above, press again to change the setting.
“F”functions allow the programming of various functions of the SF/SG Price Computing scales. Following
is a brief description of these functions and how to program them.
Step 1: Starting with the power off, hold and turn on the power switch
Displays
Step 2: Press to select the desired “F”function group.
Step 3: Using the 10 key pad and the key, select and cancel
the various settings for each “F”function. Press
to move to the next “F”function. Settings
Use to store each setting selected.
CHANGE
1
•ut
utut
ut
•c cc
c
WEIGHT UNIT PRICE PRICE
TOTAL M+
Ut nc Ut ncUt nc
Ut nc
WEIGHT UNIT PRICE PRICE
TOTAL M+
F4-0
13. Setting “F”Functions
ZERO
0
•F
FF
F 1
11
1 -
--
-••
WEIGHT UNIT PRICE PRICE
TOTAL M+
*F 1 - 0
F 1 - 0F 1 - 0
F 1 - 0
UNIT PRICE F1-0
F2-0
F3-0
F5-0
C
F1: Auto display off 0: Yes 1: No
F2: Cancellation of unit price 0: Selectable 1: No 2: Yes
F3: Output Data 0: Print key mode A 1: Print key mode B
2: Command mode 3: Stream mode
F4: Baud Rate 0: 600 bps 1: 1200 bps
2: 2400 bps 3: 4800 bps 4: 9600 bps
F5: Parity Bit 0: 7 bits (Even) 1: 8 bits (No parity)
MEM
11
CHANGE
1
*