Adjusting The Needle Direction; When The Needle Echo Does Not Match The Puncture Guideline; When The Needle Echo Is Weak - Hitachi S31KP Instruction Manual

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3-4. Adjusting the needle direction

If the needle echo needs to be adjusted, see section 3-3-1 "Check setup", and perform the adjustment below.
After adjustment, tighten the screws securely, and check that they have no backlash.

3-4-1. When the needle echo does not match the puncture guideline.

As shown below, use the supplied adjustment hexagon screwdriver to loosen the needle angle adjusting screw
and align the needle echo with the puncture guideline.

3-4-2. When the needle echo is weak

As shown below, use the supplied adjustment hexagon screwdriver to loosen the needle echo level
adjusting screw and display the entire needle echo with the strongest signal.
Puncture
needle
Figure 7 Adjustment of needle angle
Needle echo level
adjusting screw
Loosen
Figure 8 Adjustment of needle echo level
Needle angle adjusting screw
Adjustment hexagon
screwdriver
Loosen
Adjustment hexagon
screwdriver
-11-
MN1-5831 Rev.5
MN1-5831 Rev.5

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