04 Series for CO(-H2)
Chapter 3: Measuring Mode • 19
5. If
Password Protection
is turned
On
(factory setting is
Off
) using the 04 Series Setup
Program, a user-set password is required to perform a demand zero. When the password
screen appears, adjust each digit with the AIR button and press and release the POWER
MODE button to move on to the next digit. Once the password is entered, the instrument
sets the fresh air reading.
Turning Off the CO-04C
1. Press and hold POWER MODE.
2. OFF appears on the display and the buzzer pulses for about five seconds (if
KEY.TONE
is set to
ON
in User Mode).
3. Release the button when OFF disappears from the display.
4. If
Password Protection
is turned
On
(factory setting is
Off
) using the 04 Series Setup
Program, a user-set password is required to turn off the CO-04C. When the password
screen appears, adjust each digit with the AIR button and press and release the POWER
MODE button to move on to the next digit. Once the password is entered, the instrument
shuts off.
0000
PASS-W
0000
PASS-W