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SILENT MODE SELECTION
•
You can enable silent mode while the tester is in standby mode.
•
After holding the torch button the tester will beep and the LCD will display the
"mute" symbol (72-3575/72-3580) when it is in silent mode.
•
In silent mode all functions are the same as those in normal mode with the
exception of the silent buzzer.
•
To disable silent mode, hold the torch button and after it beeps, the "mute" symbol
will disappear from the LCD indicating that silent mode has been deactivated.
TORCH FUNCTION
•
Press the torch button to switch on the lamp on the top of the tester.
•
To turn the lamp off, simply press the torch button again.
BACKLIGHT FUNCTION (72-3580)
•
The backlight can be turned on by pressing and holding the HOLD button for one
second.
•
Similarly, to turn off the backlight press and hold the HOLD button again for around
one second.
•
If the tester enters standby mode while the backlight is on, the light will remain
illuminated when the tester is turned back on.
The backlight cannot be turned off unless holding HOLD for about one second.
•
REPLACING THE BATTERIES
A continuously flashing negative LED (72-3570) or a low-voltage symbol on the LCD
(72-3575/72-3580) during use of the tester, indicates low battery.
Once it is indicated that the batteries are low, replace them immediately, following the
below instructions:
•
Stop measurement and disconnect the two test pens from the object being
measured.
•
Using a screwdriver, remove the screws securing the battery cover.
•
Remove the battery cover.
•
Remove the batteries to be replaced.
•
Install the new batteries according to the battery symbol and direction indicated on
the panel.
•
Put the battery cover back in position and return the screws using a screwdriver.
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