DMTA-10084-01EN, Rev. 2, November 2018
Pulser/Receiver Adjustments
61
The gain display reads: Ref XX.X + 0.0 dB. Scanning gain can now be added or
subtracted.
5. Turn the adjustment knob to adjust the scanning gain.
6. Press the Enter key to display the scanning gain buttons (see Figure 6-2 on
page 62).
— Auto XX%
Quickly adjusts the instrument gain (dB) setting to bring the gated peak echo
to XX % FSH (full-screen height, default value is 80 %).
— Scan dB
Toggles the scanning gain from the active level to 0.0 dB (reference level)
allowing a direct amplitude comparison to the reference indication.
—+6dB
Adds 6 dB to the reference gain. You add 6 dB with each button press.
— −6dB
Subtracts 6 dB from the reference gain. You subtract 6 dB with each button
press.
— Add
Adds the current scanning gain to the current reference gain for “transfer
correction.”
—Off
Exits the reference gain function without adding the scanning gain to the base
instrument gain.
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