CESVA LRF-04 Manuel D'instructions page 39

LRF-04
User''s manual
Note: For balanced signals use XLR (Cannon) connectors and for unbalanced signals use RCA
connectors. If you want to use unbalanced signals with XLR (Cannon) connectors, connect the live
(signal) to pin 2 of XLR connector and ground (GND) to pin 1 of the XLR connector
Modem connection output
Connector
Supply for modem output
Connector
Supply Voltage
USB connection output
Connector
Connection with parallel printer output
Connector
DISPLAYS
LCD DISPLAY
Backlit with 20 x 4 characters
EXTERNAL DISPLAY (optional)
DL-3E external LEDs display: indicates, in real time, the sound pressure level in
dBA and the LRF-04 attenuation in dB. The display updates every 2 seconds.
Display DL100 (61x32x8 cm)
ATTENUATOR
Range of attenuation:
Penalisation attenuation:
Typical attenuation error:
Maximum attenuation error (0 - 50 dB):
DC Jack Power
5Vdc / 800mA
Type B male. It complies with USB
37
.
DB-9 plug
rev. 2.0
DB-25 socket
0 - 50 dB
60 dB
0 dB
1 dB