Rion VM-55, Instruction Manual, Page: 15 / 204

3
Controls and features
Front view
INPUT connector
The 3-axis accelerometer PV-83C is to be connected here, using the
supplied EC-54S cord. If the accelerometer is to be installed at a greater
distance, optional extension cord can also be used.
Display
The display of the unit is a backlit LCD panel. It shows the measured
vibration level and vibration acceleration level as a numeric indication, as
a bar graph and as a time-level graph. “--.-” is shown when the indicated
value is −10 dB or lower.
It also indicates the operation status of the unit and shows measurement
parameters as well as warning indications and other information.
INPUT connector
Display
Control section