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Check the adapter EPS regularly, when the supply voltage exceeds specified accommodation
limit ( AC100V-240V±10%, 50/60Hz),Do not supply the main unit or charge the battery with
adapter.
Check the adapter power cord and probe cable, if find any damage or breakage, replace the
broken immediately.
Adapter is the dedicated power of the device, it adopts omniseal insulation design, do not
replace it with other adapters or attempt to open it in case there be any hazard.
3.4 Main unit maintenance
Instrumentation environment should accord with "2.1 operation environmental requirement".
If device enclosure needs cleaning ， shutdown the device first and then wipe with alcohol
sponges.
Device should not turn on and off frequently.
When the device does not work for a long time, pack the device according to the instructions on
the packing. Store it properly in the warehouse. The storage environment should accord with
“Transportation and storage environmental requirements".
Environment requirements on transportation and storage
：
Environment temperature range：- 20℃～+55℃
Relative humidity range：＜80%（20
0
C）
Transportation
Signs on the packing box conform to 《 Iconograph and sign of packing, storage and
transportation》
（GB/T191-2008）.Simple shockproof establishment is fitted within the box，which
apply to aviation, railway, highway or steamship transportation. Keep dry, avoid inversion and
collision.
Storage
Equipment should be taken out from the packing when storage time exceeds six months，power
on it for four hours, and then pack it correctly and keep it in a warehouse. The device must not be
piled, and do not place it closely against the floor, walls or roof.
Keep it well ventilated, do not expose it to strong sunlight or caustic gases.
3.5 Probe maintenance
Probe is an expensive and frangible part. Never hit it or drop it on floor. When diagnoses pauses,
put the probe in its case and press
OK
key to keep it in a state of "Frozen".
See to use medical ultrasound coupling gel during diagnosis. Degree of protection against
harmful ingress of water is IPX7. For the probes, water should not immerge over the probe
acoustic window (refer to figure 6-1, 6-2, 6-3, 6-4). Regularly check the probe enclosure to ensure
