Testboy TV 328, Руководство по эксплуатации

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Operation
Testboy
®
TV 328 39
ENGLISH
Temperature measurement
To measure the temperature point the IR sensor's opening towards the
object to be measured and press the key to measure the temperature.
Make sure that the measurement spot size is not larger than the object to be
measured. The currently detected temperature is shown in the LCD. To
locate the hottest spots of an object, point the Testboy
®
TV 328 at a location
outside the desired area. Then search for the hottest point by moving the
detector across the surface of the object in a zigzag pattern holding down
the temperature measurement key all the while until you find the warmest
spot.
After releasing the temperature measurement key the temperature detected
will be shown in the display for approximately 60 seconds. During this time,
"HOLD" will be shown. The device will switch itself off to save batteries after
approximately 60 seconds.
Choose the unit you wish to be displayed (°C/°F) using the "AB" key.
The laser, when it is turned on, shows the mid-point of the measurement
area approximately. This means you can easily make accurate readings.
To activate the laser, press the temperature measurement key and the
"Down" key until the laser is turned on. The LCD then shows the laser
symbol. To turn the laser off again, press the temperature measurement key
and the "Down" key again until the laser symbol disappears.
When taking measurements in a dark environment you can turn on the
background illumination for the display using the buttons temperature
measurement and "Up".