RMG USM GT400 Operating Manual page 155

Ultrasonic flowmeter
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▪ Entering the code word of the ultrasonic electronics
If you do not have the password for the ultrasonic electronics, request the
code word from RMG Service.
1
Enter the code word for the ultrasonic electronics under coordinate AG-4.
▪ Changing the value of the protected parameters
AG-4 user code:
Standard setting: 9999 9999
• This value can be changed when the calibration switch is opened.
Note:
• During start up, this value can be set to customer requirements under
the supervision of a calibration inspector.
1
Check LED.
The Calibration lights up. The calibration switch has been
opened correctly.
2
Change the parameter values.
"Changing the parameters of protection E and S" on page 144
An open lock must be shown in the third line of the display to
allow the value of the protected parameters to be changed.
1
Calibration LED
Fig. 10.6: Check LED
10 Operation
Manual USM GT400 · EN10 · May 2021
147

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