Extech Instruments S3500T, User Manual

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Page 10
3. Using the Printer
3.1 Initial power up and self-test
Once the Battery is charged and the paper is loaded perform a self-test:
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Press the <On/Off> switch once. This turns printer on. The Green LED
illuminates
After approximately 20 seconds, if no instructions are sent to the
printer, the printer automatically turns off to conserve battery life.
If the printer is set for infrared communications (IrDA) mode the
printer will stay on all the time. Pressing the <On/Off> switch again
will turn the printer off.
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Press the <On/Off> switch to turn the printer off. The green LED turns off.
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To start the self-test, press and hold the <FEED> switch then press the
<On/Off> switch
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The printer starts to print the self-test message. Release the <FEED> switch.
Press the <On/Off> or <FEED> switch to cancel the self-test print.
The first few lines of self-test show the printer firmware version,
the current printer settings (for example IrDA or Serial mode) and
a list of any optional or special features installed.
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