25
..Enter password…
O2 20.9 %
5
O2 20.9%
557
O2 20.9%
5.3 Entering the Password
The
Dual O2/CO2
Air Check Oxygen monitor is supplied with a factory set password to
prevent unauthorized access to the menus.
The Password is 557.
The following
explains how to enter the password.
1.
Push the joystick once to the right.
Enter Password
will scroll on the first line of the digital
display. The second line will still display the current oxygen level.
2.
Push the joystick again once more to the right to enter the input screen.
The letter A
will appear and flash.
NOTE:
The display has characters that start with A through Z and 0 through 9.
Pushing the joystick up or down will permit you to scroll through the
alphanumeric characters.
3.
Push the joystick up or down to enter the first digit. The display is an alphanumeric display
and toggles from A through Z followed by 0 to 9. The character to be entered will flash.
4.
Push the joystick again to the right to select the second entry. Push the joystick up or
down to select the second digit. The character being entered will flash and the first character
entered will remain lit.
5.
Push the joystick again to the right to select the third entry. Push the joystick up or down
to select the third and final digit. The character being entered will flash and the first and
second characters entered will remain lit. You are now ready to enter the 3-digit password.
6.
Push the joystick in the center to enter the password. If you entered it correctly the display
will scroll
Password OK.
NOTE: If an incorrect password has been entered, the display will indicate Password
Failed. Push the joystick to the left to access the monitoring mode. From this mode
you can reenter the password again.
55
O2 20.9%
...PassCode OK……
O2 20.9%
O2 20.9%