ABBERFIELD CT22 Series Technical & Service Manual - Page 4

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ABBERFIELD INDUSTRIES - CT22 coin time switch TECHNICAL DETAILS

Calibration

Using the SET and NEXT push buttons, plus the 8

way dip switch, located on the side of the coin

validator, in conjunction with the display, it is

possible to calibrate for any coin set. This is

normally a factory operation, but it can be done

by a skilled technician.

Coins must be in the physical range 16 mm

minimum to 32 mm maximum and thickness up to

3.5 mm. Calibration can be implemented for any

number of coins from 1 to 8.

When calibrating the validator a minimum of two

coins of each type should be used. One in near

new condition with no wear on the knurling around

the coin and the second should be with the

knurling worn. These then present the extremes of

coins which will be used in the validator. NOTE:

There is a time out on later versions of nine sec-

onds where if one of the tables haven't been

accessed the validator will revert to normal mode

and accept C7 and C8 only. Therefore you have

nine seconds to get from step 3 to step 6.

To calibrate a C22P coin validator first

remove power from the unit.

Put all 8 dip switches in the up (ON) position.

Re-apply power, the screen will settle on

"par" (parameters).

Put all dip switched down (OFF) except

number 3 which remains up.

Press the button marked NEXT twice and the

screen should then say "cal"(calibrate).

Press the button marked SET the screen

should say C1, this is coin 1 and should be

the lowest value coin being used.

If this is not the coin you wish to recalibrate

then press the NEXT button until the desired

coin number appears on the screen. Normal

coin assignments for Australian coins is

C1=5¢, C2=10¢, C3=20¢, C4=50¢,C5=$1,

C6=$2, C7=Token 1, C8=Token 2.

Make sure the coin validator is held firmly and

vertically on a flat surface, or its normal

mounting position, when inserting 100

samples for the coin being calibrated; thrown

in as well as rolled in. The display will count

the samples inserted, with the coins returned

via the reject slot.

Once 100 samples have been inserted, press

the NEXT button to progress to the next coin;

C2 should be on the screen. Insert 100

samples of coin 2. Continue the above

procedure for each coin that requires

calibration.

10. Once you have finished calibrating the

32 Cross St, Brookvale, Sydney NSW 2100, Australia

validator then scroll through the coins until C8

is on the screen.

11. Turn the power off. If recalibrating an existing

coin set (no new coins or tokens calibrated)

then set the dip switches to their normal

operating position (normally all down to accept

all calibrated coins) and return power to the

validator. Check the validator is crediting the

coins correctly by inserting several coins of

each type. Calibration is now complete.

12. If a new coin or token was calibrated then it

will need to have a value assigned to it. Put all

the dip switches in the up (ON) position and

re-apply power. The screen will settle on

"Par".

13. Put all dip switches down (OFF) except

number 3 which remains up.

14. Press the NEXT button once, the screen

should say "Val"(value).

15. Press the button marked SET and the screen

should say C1, this is coin 1 and should be

the lowest value coin being used.

16. If coin 1 is the coin which you wish to assign

a value then press the button marked SET,

the screen will show 00.00 (or the coin value

it had previously been assigned) the last digit

will be flashing.

17. If this isn't the coin you wish to set then press

the NEXT button until the desired coin is

reached and then press the SET button.

18. To change the flashing digit press the NEXT

button.

19. To progress to the next digit press the SET

button. Continue steps 18 and 19 until the

correct value has been set. Once the first digit

is flashing then pressing the SET button will

return the screen to C1-C8.

20. Once all the coin values have been set turn

the power off.

21. Set the dip switches to their normal operating

position (normally all down for the coin

validator to accept all calibrated coins) and

return power to the validator. Check the

validator is crediting the coins correctly by

inserting several coins of each type.

Assigning value is now complete.

NOTE: calibration has occurred with the three parts

of the validator as a set. Mixing the parts between

different validators may put the calibration slightly

out.

Dip Switches and Buttons on the side of the coin

validator table for Recording Coin Parameters

Tel: (02) 99392844 Fax: (02) 99383462 Email: [email protected]

page 4

Brochure # 1003-4