04 Series for CO(-H2)
Appendix A: Maintenance Mode • 85
Turning the Password On/Off (PASS-W)
ON
(factory setting): The CO-04C prompts you for a password when you enter Maintenance
Mode. The factory-set password is
0400
but it can be changed.
OFF
: No password is required to enter Maintenance Mode.
1. While in Maintenance Mode, press AIR to scroll to
PASS-W
.
2. Press and release POWER MODE. The current setting flashes.
3. Use AIR to display the desired setting.
4. If you selected
OFF,
press and release POWER MODE to save the setting and return to
the
PASS-W
item in User Mode.
If you selected
ON
5. Press and release POWER MODE. The Set Password Screen appears. The current
password displays and the first digit flashes.
6. Use AIR to display a number from 0 to 9.
7. Press and release POWER MODE to enter the selection and advance to the next number.
To go back a number, press and hold AIR and POWER MODE for a few seconds.
8. Repeat Step 6 and Step 7 to select the remaining numbers. When you press and release
POWER MODE to enter the last number, the password is saved and the instrument returns
to the
PASSWORD
item in Maintenance Mode.
9. See “Entering Measuring Mode (START)” on page 87 to enter Measuring Mode.
PASS-W
0400
PASS-W
