Doppler Ultrasonic Flowmeter DF6100 Manual
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Fig 4.2 Single Point Alarm Operation
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4.3.15 Change Password
PASSWORD – Change the Security Password
0-9999
By changing the Security Password from 0000 to some other value (any value between 0001-9999),
configuration parameters will not be accessible without first entering that value when prompted. If
the value is left at 0000, no security is invoked and unauthorized changes could be made. Access to
resetting of the Totalizer is also protected by this password.
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4.3.16 SERVICE mode
SERVICE
mode allows access to the following parameters.
Select YES to access these parameters.
AGC MODE - Automatic Gain Control
GAIN POT - Digital Gain Control
FILTER - Hardware Filter Control
XDCR TYP – Transducer Type
LINEAR - 10 Point Linearization
1. AGC MODE
–
Gain Control Mode of Operation
NORMAL - Factory default Settings, Automatic Gain Control Mode, Used for generally
conditions
HIGH - Automatic Gain Control Mode, Used for low signal strength conditions
MANUAL - Manual Gain Control Mode, AGC disabled, Used for not enough straight pipe or
other special conditions
When NORMAL is selected, the unit will automatically control the gain and front end hardware
filter for optimum measurement of the Doppler signal. Press ENTER key, the unit will automatically
advance to XDCR TYP selection.
