Hofmann Snap-on Y2k, Service Manual, Page: 61 / 99

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Entering C codes and options
CRT balancer
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C code
In the function screen press the function selection button (F6) three times, then
press the appearing button "Service" to go to the service code menu.
Press "C-Code" key (menu key) and turn wheel to choose a service code.
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Options
Press FINE key (F4) and turn wheel to choose an option of a C code.
Exceptions are C12, C21, C54, C61, C63, C64, C66, C72, C74, C98, as these codes either switch
over to an alternative reading, or operation with wheel is no longer possible (C54, C63).
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Acknowledge
Press ENTER key to acknowledge the option chosen.
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Abort
Press STOP or ESC key to abort a C code.
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Special function
Press
the Optimisation key (F3) to activate extra functionality on some C codes (e.g. C28, C74, C75).
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Measuring run
The START symbol invites the user to start a measuring run.
GS Digital balancer
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C code
The service menu is accessed by holding down the "FINE" and "CAL" keys for 7 seconds and
restarting the machine. At the first the "DIS 115" will be displayed and machine waits for input of rim
data. Use "+ -" key for input of rim data. On machines with automatic sape the user can also use sape
to input rim data. If no input is made, a default setting will be used (offset = 115 mm, rim width =
6.50 inch and rim diameter = 14.5 inch) .Press F key service code (C4) will be displayed and machine
is now in state service code. Use "+ -" key to change service code. To select a service code press F
key again.
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Options
Press +/- keys to choose an option of a C code.
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Acknowledge
Press F key to acknowledge the option chosen.
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Abort
The service menu can be exited by pressing the "FINE" key. The display is cleared and a beep is
generated.
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Special function
not available
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Measuring run
The START symbol invites the user to start a measuring run.
HWT Digital balancer
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C code
Press C key and turn wheel to choose a user C code.
Press C and weight placement keys and turn wheel to choose a service code.
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Options
Press precision /FINE key and turn wheel to choose an option of a C code.
Exceptions are C12, C21, C54, C61, C63, C64, C66, C72, C74, C98, as these codes either switch
over to an alternative reading, or operation with wheel is no longer possible (C54, C63).
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Acknowledge
Press C key to acknowledge the option chosen.
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Abort
Press STOP or ESC key to abort a C code.
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Special function
Various activities are accessible through the Optimisation key for various C codes
(e.g. C28, C74, C75). Press the Optimisation key to activate the special function.
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Measuring run
The START symbol invites the user to start a measuring run.