Yokogawa Multi Channel Oxygen Analyzer System ZR22/AV550G - Manual (Page 23)

<3. Parameters>
3-10
IM 11M12D01-51E
Releasing from Multidrop Mode
First, call up the “ Poll addr” display, and set the address to 0.
Second, call up the “ Polling” display, and set “Never Poll”.
If the above releasing method is carried out in the reverse order “ Online
Menu” can not be called up.
3.2.3 Software Write Protect
AV550G configured data is saved by the write protect function. Write protect status is set to YES
when 8 alphanumerics are entered in the New password field and transferred to the AV550G. In write
protect YES status, the averaging converter AV550G does not accept parameter changes. When the
8 alphanumeric string entered in the New password field is also entered in the Enable write field and
transferred to the averaging converter, it will be possible to change averaging converter parameters
during a 10 minute period.
To change the averaging converter from write protect YES status back to write protect NO status,
enter 8 spaces in the New password field after write protect has been released using enable write.
Setting Password
Example: Set the password to 1234
Call up “ Chng Wrt Protect” display.
Hot key ---> 3.Chng Wrt Protect
NOTE
1
Select the " " New password
2
' 1 2 3 4'
(ENTER)
Set " 1234" and press
ENTER (F4) .
3
"1 2 3 4"
(ENTER)
Reenter " 1234" and press
ENTER (F4) within 30
seconds.
4
(OK)
F030215-1.ai
. YZ/
3
F4
F4
F4
AV550G:
Chng Wrt Protect
1 Write protect No
2 Enable wrt 10min
3 New password
4 Software seal Keep
SAVE HELP
AV550G:
Enter new password to
change state of write
protect:
1234
ABORT DEL ENTER
AV550G:
Re-enter new password
within 30 seconds: 2
1234
ABORT DEL ENTER
AV550G:
It changed the state
of protection related
password.
OK
Display Operation