Rion NL-21 - Page 143

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Optional Accessories
1/1, 1/3 Octave Filter Card NX-21SA
Linearity range during filter operation is 65 dB.
Supported standard: IEC 61260:1995 Class 1
1/1 octave filters (IEC compatible)
Installed in NL-21: 16 Hz to 8 kHz
Installed in NL-31: 16 Hz to 8 kHz
1/3 octave filters (IEC compatible)
Installed in NL-21: 12.5 Hz to 10 kHz
Installed in NL-31: 12.5 Hz to 16 kHz
Select the "Filter" item on menu screen 1/5, and set it to "1/1 oct" or "1/3 oct".
Use the frequency keys to switch the center frequency.
The key shifts the center frequency to the next lower band.
The key shifts the center frequency to the next higher band.
The menu screen 1/5 can also be used to switch the center frequency.
1/1 oct band filter
AP (all-pass) ⇔ 16 Hz ⇔ 31.5 Hz ⇔ 63 Hz ⇔ 125 Hz ⇔ 250 Hz ⇔
500 Hz ⇔ 1 kHz ⇔ 2 kHz ⇔ 4 kHz ⇔ 8 kHz ⇔ AP (all-pass)
1/3 oct band filter
AP (all-pass) ⇔ 12.5 Hz ⇔ 16 Hz ⇔ 20 Hz ⇔ 25 Hz ⇔ 31.5 Hz ⇔
40 Hz ⇔ 50 Hz ⇔ 63 Hz ⇔ 80 Hz ⇔ 100 Hz ⇔ 125 Hz ⇔ 160 Hz ⇔
200 Hz ⇔ 250 Hz ⇔ 315 Hz ⇔ 400 Hz ⇔ 500 Hz ⇔ 630 Hz ⇔ 800 Hz ⇔
1 kHz ⇔ 1.25 kHz ⇔ 1.6 kHz ⇔ 2 kHz ⇔ 2.5 kHz ⇔ 3.15 kHz ⇔
4 kHz ⇔ 5 kHz ⇔ 6.3 kHz ⇔ 8 kHz ⇔ 10 kHz ⇔ [12.5 kHz ⇔16 kHz] ⇔
AP (all-pass)
12.5 kHz and 16 kHz can be set only for NL-31.
Each key press shifts the frequency by one step.