10
The external printer is connected to the instrument host with the compatible connection wire. The
green indicator on the external printer interface is the power indicator, and the yellow one is the data
indicator. After the external printer is connected successfully,the green indicator light on the RS232
interface of the instrument host is on, and the top status bar of the screen displays the icon of the
printer.
The keys and indicator lights of printer are integrated. When the printer is powered on, normally
the indicator light keeps on, while the indicator light flasheswhen the paper is out. Press the key once,
and the printer willfeed paper. When there is pink edge on the printed paper, it indicates that the paper
is about to run out, please feed the printing paper in time.
Self-check of the printer: Press and hold the key when the device is turned off, and connect the
instrument to the power to print out the self-check bar.
Feed the printing paper: Pull out the revolving wrench, open the cover, load the paper and pull out a
length of paper (a little bit more than the tearing paper knife). The paper
must put in order, and the direction of the paper is the liquid side (smooth
surface) up. Close the paper cover, after the print head axle pressed
paper straight, push the print head axle hard back as while as reset the
rotary wrench, and push the rotary wrench into the reset.
7.3 Host Operating Instructions
Turn on the power switch of the instrument host and enter the boot screen after the instrument is
initialized (see figure 6), on which it will display the device model, software version number and
hardware version number; then the instrument will automatically enter the main menu.
Fig .6 Boot Screen
Fig. 7 Main menu
7.3.1 Main Menu
