Rion NL-42, Interface Manual, Page: 14 / 72

6
Connection to a Computer
Connect the I/O connector on the bottom of the NL-42/NL-52 with a RS-232C
connector of a computer, using the optional RS-232C serial I/O cable CC-42R
as shown below. The performance of other cables will not be guaranteed.
Note that the performance of multiple units connection with RS-232C will
not be guaranteed.
Important
Do not connect the cable connector to the I/O
connector reversely.
Setting of the sound level meter when using the RS-232C
When using RS-232C, set the communication interface for the sound level
meter following the steps below.
1. Press the MENU/ENTER key to bring up the menu list screen.
2. Use the keys to select [I/O] and press the MENU/EN-
TER key. The I/O screen appears.
3. Use the keys to select [Communication Interface] and press the
MENU/ENTER key. The communication control function screen
appears.
I/O connector
RS-232C serial I/O cable CC-42R
Open
the bottom cover
To computer
With the notch up,
align it with the projection
of the I/O connector.
Projection