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4.14 System reset
The
key has to be pressed while powering on the instrument: factory defaults will
be restored.
All the memory data will be cleared during system reset. The only time this might be
helpful is if the parameter in the instrument was somehow corrupted.
4.15 Connection to PC
TN xx-0.01 US is equipped with a RS-232serial port. Using the accessory cable, the
instrument has got the ability to connect to a PC or an external storage device.
Measurement data stored in the memory can be transferred to the PC through the
RS-232 port. For detailed information of the communication software and its usage,
refer to the software manual.
5 Servicing
If there should appear some abnormal phenomena to the instrument, please do not
dismantle or adjust any fixed assembly parts on your own. Instead of this, the present
warranty card has to be filled out and the instrument has to be sent to us. The war-
ranty service can be carried on.
6 Transport and Storage
1) The instrument has to be kept away from vibration, strong magnetic fields, corro-
sive medium, dumpiness or dust. Storage in ordinary temperature.
Appendix A Sound Velocities
Material
Aluminium
Steel, common
Steel, stainless
Brass
Copper
Iron
Cast Iron
Lead
Nylon
Silver
Gold
Zinc
Titanium
Tin
Epoxy resin
16
Sound Velocities
In/us
m/s
0.250
6340-6400
0.233
5920
0.226
5740
0.173
4399
0.186
4720
0.233
5930
0.173-0.229
4400－5820
0.094
2400
0.105
2680
0.142
3607
0.128
3251
0.164
4170
0.236
5990
0.117
2960
0.100
2540
TN_US-BA-e-1814
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