Spectra Pro IV-A User manual

FOREWORD

Congratulations!
‘You now own the SPECTRA PROFESSIONAL IV-A exposure
meter from SPECTRA CINE RESEARCH CORPORATION - One
of the world’s most advanced exposure meters. Using advanced
rmicro-computer technology, state of the art sold state integrated
Circuitry, and liquid crystal display with digital (numeric) and
‘Analog (bargraph) LCD scale, the meter reads Incident and
Reflected light directly in t/stops, footcandles or lux and instantly
calculates the t/stop difference, contrast ratio and average of your
particular lighting situation. The multiple channel memory enables
you to recall the stored measurement, current measurement,
{istop difference, contrast ratio and average. The meter covers a
sensitivity range of almost One milion to one.

This manual has been prepared to enable you to get optimum
performance from your new meter. The information set forth in this
‘manual wil serve you over the years, and the few minutes you
invest now to acquaint yourself with its contents will reap rewards
{for you throughout the if of your instrument.

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Mike Butkus   Digitally                                            DN:email=mike@butkus.org,Date:cn=Mike2025.07.16signedButkus,by14:54:28Mikeo, ou=Butkus.org,Butkusc=US-04'00'