Tokyo Keiki UFL-30, Installation & Operation Manual

Page: 102 / 166

II-43
cc) “ROFF” : No receiving echo Warning
The error will be indicated when any echo cannot be detected on transducers.
- Mounting distance
- Mounting direction
- Cable connection
- Fluid condition
- Pipe condition
- Parameter settings
…. and so on.
In such case, please check each cause and improve. Then try again AGA function.
In case of manual gain setting required, please refer to below.
However we recommend taking this procedure with oscilloscope for wave monitoring.
Open “Basic-Gain Adjust”, and then click “Manual Gain”.
Drag the slider bar then Write button or Click +/-1 button for gain change.
To up amplifier gain, please click + direction.
For reference, +12 gain means as doubled signal strength.
Drag slide bar then click “Write” key
Push “-1” or “+1” key