J17 Instruction Manual
2-1
Functional Overview
Connect a J1800 Series
sensor head here.
All readings
appear on the
display. See
page 2-2.
Press the
BACKLIGHT
button to light
the display. (Use
the BACKLIGHT
INTENSITY
control, on the
right side of the
J17, to adjust
the backlight.)
Press HOLD to
keep the current
measurement
reading on the
display. This
stops measureĆ
ment updating
until you press
HOLD again.
Press COLOR
to cycle among
white, red,
yellow, green,
and blue
correction
factors to
maximize
accuracy for
narrowĆband
light sources,
such as LEDs.
When using the J1820 Chromaticity head, press
ALT DISP to cycle among chromaticity
coordinates, luminance, and raw XYZ tristimulus
values.
(Rear Panel)
Location of
battery
compartment.
The POWER
switch turns the
J17 on or off. The
J17 performs a
brief selfĆtest at
powerĆon.
Press the
RANGING button
to switch from
autoranging to
manual ranging,
and to step
through the
manual ranges.
(This feature
cannot be used
with the J1820.)
See page NO TAG.
Press UNITS to
select the
alternate units, if
any, for displayed
readings.
When using the J1820
Chromaticity head, press START
to initiate a new reading.
HOLD RANGING
COLOR UNITS
ALT DISP
START
TEK LUMACOLOR
J17
Photometer/
Radiometer/
Colorimeter
J17 Instruction Manual
2-1
Functional Overview
Connect a J1800 Series
sensor head here.
All readings
appear on the
display. See
page 2-2.
Press the
BACKLIGHT
button to light
the display. (Use
the BACKLIGHT
INTENSITY
control, on the
right side of the
J17, to adjust
the backlight.)
Press HOLD to
keep the current
measurement
reading on the
display. This
stops measureĆ
ment updating
until you press
HOLD again.
Press COLOR
to cycle among
white, red,
yellow, green,
and blue
correction
factors to
maximize
accuracy for
narrowĆband
light sources,
such as LEDs.
When using the J1820 Chromaticity head, press
ALT DISP to cycle among chromaticity
coordinates, luminance, and raw XYZ tristimulus
values.
(Rear Panel)
Location of
battery
compartment.
The POWER
switch turns the
J17 on or off. The
J17 performs a
brief selfĆtest at
powerĆon.
Press the
RANGING button
to switch from
autoranging to
manual ranging,
and to step
through the
manual ranges.
(This feature
cannot be used
with the J1820.)
See page NO TAG.
Press UNITS to
select the
alternate units, if
any, for displayed
readings.
When using the J1820
Chromaticity head, press START
to initiate a new reading.
HOLD RANGING
COLOR UNITS
ALT DISP
START
TEK LUMACOLOR
J17
Photometer/
Radiometer/
Colorimeter