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CALIBRATION PROCEDURE
CONFIG.
REGISTER: Durinq routine Calibration it is not
necessary
to
program
the
Confiq.
Register.
Programming the
Config.
Register establishes the microprocessors
mode of operation and once programmed should never change. If a new
microprocessor is installed in location XU7 or
XU34
its
Config.
Register must be
programmed. To program the
Config.
Register install temporary jumpers (shorts) on
JP1
and JP3 then power up the unit. Almost immediately after power up the unit will
display
Config.
Register Programmed. At this point power down and remove the
previously installed jumpers. The
Config.
Register is now programmed.
DEFAULT DATA LOADING: Durina routine calibration it is not
necessary
to
load
Default
Data.
Defautt Data Loading
allows
the
technician
to quickly store an
averaged
set of calibration values into EEPROM. Also, if a new microprocessor has been
installed the Default Data loads critical power-up information that the processor requires
for operation into EEPROM. When a new microprocessor or
Auto/Tymp
Board is
installed Default Data should be loaded. Load Default Data by setting Dip Switch
positions 6, 7, and 8 to the “ON” position. Set the
Cal/Norm
Switch to the Cal Mode,
then power up the unit. At power-up the display should indicate the unit model and
version number (GSI 38 Version X), the
Tymp/Reflex
Software Revision Number
(Tymp/Reflex
Rev XXX), the Audiometer Software Revision Number (Audiometer Rev
XXX), and the Default Parameters which are currently being loaded into EEPROM
(Loading Audiometer Defautts, Loading Programmed Defautts, or Loading
Tymp/Reflex
Defaults). When the Default Data Loading sequence is complete the display will update
to the Main Calibration Mode Menu. At this point Dip Switches 6, 7, and 8 should be
returned to their normally OFF position.
The technician may also load an individual set of Default Data by first setting the
desired Dip Switch to the ON position then setting the Cal/Norm Switch to the Cal
Mode position.Dip Switch assignments are as follows:
Dip Switch
Function
Location Loaded
i
i
c
6
Tymp/Reflex
Defaults
7
Audiometer Defaults
8
Programmed Defaults
Tymp EEPROM
Audio EEPROM
Audio EEPROM
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