Sharp ER-A520 Instruction Manual page 58

Customer with previous or credit balance
To enter a charge to a customer with a previous or credit balance, use the following procedure:
Procedure
*1
Check digit
(Optional)
* Check digit: The number which is printed at the right of the word "SERVICE" on the receipt of the previous
1
entry. (See the previous page. Check with your authorized SHARP dealer for activation of the
check digit feature.)
* Previous balance: In case of the balance is plus or zero
2
* Charge balance:
3
Example
To make a service entry of 5 dept 7 items (unit price $25.00) for the customer account from
the previous example. (non add code number 13579), which has the previous balance
$150.00.
Check digit
Settlement
Use the following procedure:
Procedure
Check digit
(Optional)
Example
The customer (the non add code number 13579) whose previous balance is $275.00 is
$27500 pays $200.00 in check and $75.00 in cash.
Check digit
56
*2
Previous balance
*3
Charge balance
In case of the balance is negative
Key operation
u
3 15000
5
13579
#/
TM
@
5
7
2500
S
u
Previous balance
n
Charge balance
Key operation
u
3 27500
5
13579
#/
TM
k
20000
a
7500
u
[Item entries ]
n
[Item entries ]
S f
or
Print
[Payment operation]
Print