Aloka ProSound Alpha 10, Руководство по обслуживанию, Страница: 157 / 405

MN2-2008 Rev.1
SECTION 8 Performance Check
8 - 13
"
COIN CHECK (Only for UST-5411)
Confirm that the focus points change smoothly for elevation direction on UST-5411.
Apply a thin film of jelly to the probe, put a thin piece of metal on the center of the probe
surface (See “Fig. A” as below) and move this metal to end of the probe surface in
elevation direction (See “Fig. B” as below).
Perform this once for focus F1 ~ F3, and also once for F4 and more.
In case of “Fig. A” location, The Echo must be displayed with both focus F1 ~ F3 and F4
and more.
In case of “Fig. B” location, The Echo must be displayed with focus F4 and more only.
With focus F1~F3, The Echo must not be displayed.
Probe surface
A piece of
metal
(Fig. A)
(Fig. B)
A piece of
metal