Rion NL-42A, Instruction Manual, Page: 47 / 154

29
Preparations
Sub channel settings
When the sub channel is set to ON, the sound level will be shown using the
frequency weighting and time weighting settings made for the sub channel,
along with the main channel sound level display.
To use the sub channel, you must make certain settings on a menu screen.
1. Press the MENU/ENTER key to bring up the menu list screen.
2. Use the keys to select [Measure] and press the MENU/
ENTER key. The measurement setting screen appears.
3. Use the keys to select [Sub Channel Settings] and press the
MENU/ENTER key. The sub channel settings screen appears.
4. Use the keys to select [Sub Channel Settings] and press the
MENU/ENTER key. The ON/OFF setting screen appears.
5. Use the keys to select [ON] and press the MENU/ENTER key.
6. Use the keys to select [Frequency Weighting (Sub)] and press
the MENU/ENTER key. The frequency weighting characteristics
setting screen appears.
7. Use the keys to select the frequency weighting characteristics
(A, C, Z) and press the MENU/ENTER key.
8. Use the keys to select [Time Weighting (Sub)] and press the
MENU/ENTER key. The time weighting characteristics setting screen
appears.
9. Use the keys to select the time weighting characteristics [F(Fast),
S(Slow), I] and press the MENU/ENTER key. (Time weighting I can
be selected when frequency weighting A is selected.)
10. Press the START/STOP key to return to the measurement screen.