RayTek Rayst25 Autopro User Manual page 6

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F) Laser/Backlight/LED on indicator
G) Emissivity indicator
In the scan mode, the backlit LCD displays both
the current temperature (D) and maximum
temperature (C) in Celsius or Fahrenheit (B). The
unit will hold the last reading for 7 seconds after
the trigger is released; the word HOLD appears
(E). The presence of the battery icon (A)
indicates a low battery. The presence of a light
bulb (F) will indicate backlight and LED flashlight
are on. When trigger is pulled triangular icon will
be present indicating laser is on.
Introduction
We are confident you will find many uses for your
handheld non-contact thermometer. Compact,
rugged, and easy to use—just aim, pull the
trigger, and read the temperature in less than a
second. You can safely measure surface
temperatures of hot, hazardous, or hard-to-reach
objects without contact.
How it Works
Infrared thermometers measure the surface
temperature of an object. The unit's optics sense
emitted, reflected, and transmitted energy, which
are collected and focused onto a detector. The
unit's electronics translate the information into a
temperature reading displayed on the unit. The
lasers are used for aiming purposes only.
2
How to Operate the Unit
Measurement: Quick Start
To measure an object, point the unit at an object,
and pull the trigger. Try to merge the 2 laser dots
on your target into one dot. When using the
lasers, use them only for aiming. When sighting
an object, merge the 2 lasers into one for
optimum temperature reading. For more detailed
operating instructions, see "How to Accurately
Measure Temperature."
Switching °C and °F; Changing the
Battery; Laser/Backlight/LED On/Off
Before opening the unit's handle to access the
battery and controls, use a Phillips head
screwdriver to remove the base magnet. To open
the unit's handle, push the button near the trigger
on the underside of the unit, and pull the handle
down and forward.
To select °C or °F, slide the top switch (A) up for
Celsius and down for Fahrenheit. To activate the
lasers, backlight and LED flashlight, slide the
lower switch (B) down. Dual lasers and LED
flashlight will turn on when the trigger is pulled.
The lasers and LED flashlight will turn off when
the trigger is released. The backlight will remain
on for 7 seconds after the trigger is released.
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