Rion VM-55, Instruction Manual, Page: 198 / 204

186
Specifi cations
Display Backlit semitransparent color TFT LCD display
WQVGA (400 × 240 dots)
Bar graph update frequency
100 ms
Numeric display update frequency
1 s
Language English/Japanese/Korean
Help function Allows viewing of help display
Alarm display
Overload Full scale +10.0 dB
Underload Full scale −70.5 dB or off-scale low −0.5 dB
Calibration output signal
For calibration of external equipment
AC output: 31.5 Hz, 1 Vrms
DC output: 2.5 V
AC/DC output AC or DC selected by menu
2.5 mm dia. output, 3 separate channels
AC output Output impedance: 600 Ω
Load impedance: 10 kΩ or higher
Output voltage: 1 Vrms (full-scale)
Frequency weighting for instantaneous value display
and for AC output can be set separately
DC output Output impedance: 600 Ω
Load impedance: 10 kΩ or higher
Output voltage: 2.5 V (full-scale, 25 mV/dB)
USB
Mass storage class
Connected to a computer as a storage device, and
recognized as a removable disk
Communication device class
Allows control with communication commands using
communication device class