Omega FD6003 - Manual (Page 35)

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FUNCT} INPUT F.S.
This key is used to select a maximum velocity that the
instrument will operate. Choices are 10, 20 and 30 FPS.
It is not recommended to deviate alter this value from
factory settings, as certain spans have been set that
correlate to the set maximum velocity. Consult OMEGA
Engineering for adjustment procedures.
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FUNCT} DAC 3
This key is not used.
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FUNCT} BACK LIGHT
Toggles the electro-luminescent LCD back lighting ON
and OFF. This type of back lighting has an illumination
half-life of approximately one year. If the instrument is left
unattended for long periods of time, turning the back
lighting OFF can preserve the electro-luminescent panel
and save a small amount of power.
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FUNCT} CONTRAST
This setting allows the adjustment of the LCD contrast.
An LCD’s viewing quality is affected by temperature,
ambient lighting, back lighting and viewing angle. Adjust
the contrast level to provide the best contrast possible.
Default count is 50.
PART 3 - KEYPAD CONFIGURATION