Service manual
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ECR LAB 4: ER-A450T
18. Port #1 and Port #2 are equivalent to which Channel numbers x and y
respectively?
1 and 2 1and 4 1 and 6 1 and 8
19. Which of the following may be interfaced via the RS-232C port on the
ER-A450T?
(Select all that apply)
Coin Dispenser Credit Card Scale Scanner Slip Printer Pole Display
20. What is the +5/C1 switch used for?
Coin Dispenser Credit Card Scale Scanner
21. Which Diagnostic code is used to confirm RS-232C channel assignments?
SRV 200 SRV 300 SRV 400 SRV 500 SRV 600 SRV 700
22. Which of the following may be flagged as scalable?
PLU SKU UPC Dept. Tare
23. Which file groups must be allocated to allow UPC scanning on the ER-
A450T?
(Select all that apply)
8 9 10 11 12 13 14 15 23 27 28
24. Which keys must be placed on the keyboard for UPC operation?
(Select all that apply)
DELETE AMT INQ UPC DEPT# REPEAT
25. What is the maximum number of UPCs available on the ERA450T?
500 1,000 10,000 15,000 20,000
26. What PGM job codes are used to program a UPC? (Select all that apply)
1100 1000 1010 1011 2000 2100 2010 2011
2012 2014 2017 2020 2025 2080
26. How do you delete a UPC code? (Attach programming receipts)
27. Program 5 UPC codes with names and prices. (Attach programming receipts)
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