Using The Printer; Initial Power Up And Self-Test - Extech Instruments APEX 2 User Manual

3. Using the Printer

3.1 Initial Power up and self-test

Once the battery is charged and the paper is loaded an initial power
up self-test can be performed.

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 will automatically turn off to
conserve battery life.
If the printer is set for Bluetooth communications (BT)

mode the printer will stay on all the time.

Press the <ON/OFF> switch to turn the printer off. The green
LED turns off.

To start the self-test, press and hold the <FEED> switch then
press the <ON/OFF> switch

The printer will start printing the self-test messages. Release
the <FEED> and <ON/OFF> switches.
Press the <ON/OFF> or <FEED> switch to stop or cancel

the self-test print.
The first few lines of self-test show the printer firmware

version, the current printer settings (for example, BT or
Serial mode) and a list of any optional or special features
installed.
APEX2 User's Guide Rev 1.0
FIGURE 9: SELF TEST
13