MIC / Preamp A C AMP 1 AMP 2 AMP 3 FLAT FLAT CAL.SIG. OVER LOAD DET. AMP 4 AMP 5 A/D D/A CONV. V ref. AMP 8 AMP 10 DC OUT AC OUT AC DC OUT DATA BUS CPU ADDRESS BUS DSP Start Pause Stop Store Mode Cont A C FLAT Fast Slow Menu Down Page Up Range Recall Recall data Cal adj Light Print Cal KEY SW LCD DATA BUS ADDRESS BUS Power E2PROM RS-232-C POWER SUPPLY
Start Stop Store Mode Pause Cont A C FLAT Fast Slow Up Menu Down Page Range Recall Recall data Cal adj Light Print Cal NL-20 Power SOUND LEVEL METER
Start Stop Store Mode Pause Cont A C FLAT Fast Slow Menu Down Page Up Range Recall Recall data Cal adj Light Print Cal NL-20 Power SOUND LEVEL METER Down Up
AC DC OUT I O POWER AC / DC I/O
WS-10
EC-04 EC-04A EC-04B 2 m 5 m 10 m EC-04C 30 m +5 m EC-04D 50 m +5 m EC-04E 100 m +5 m
AC DC OUT I O I O POWER DPU414/CP-11/CP-10 CC-93
1 8 2 8 CP-11 ON ON 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 CP-10 ON 1 8 2 6 ON 1 2 3 4 5 6 7 8 1 2 3 4 5 6
Start Stop Store Mode Pause Cont Menu Menu Page Up / Down A C FLAT Fast Slow Menu Down Page Up Range Recall data Cal adj Light Print Cal Light NL-20 Power SOUND LEVEL METER <I/O> 3/3 LCD Contrast : Baud rate : 19200 Index : 1 Output AC/DC : AC Light Auto Off : 5min Light Auto Off 5 min / Cont. 3/3
Start Stop Store Mode Pause Cont Menu Menu Page Up / Down A C FLAT Fast Slow Menu Down Page Up Range Recall data Cal adj Light Print Cal NL-20 Power SOUND LEVEL METER <I / O> 3/3 LCD Contrast : Baud rate : 1 Index : Output AC/DC : AC Light Auto Off : 5min 3/3
Start Stop Store Mode Pause Cont Menu Menu Page Up / Down A C FLAT Fast Slow Menu Down Page Up Range Recall data Cal adj Light Print Cal Internal / External NL-20 Power SOUND LEVEL METER <System> 1/3 Meas. time : 10min Back Erase : Off Cal mode : Internal Manual data Clear : Off Internal / External 1/3
INT Cal 114 db 30 INT Cal 114dB 120 30 120 114.0 db Cal LC
94 db 20 INT Cal 94dB 100 Cal
Start Stop Store Mode Pause Cont Menu Menu Page Up / Down A C FLAT Fast Slow Menu Down Page Up Range Recall data Cal adj Light Print Cal Internal / External NL-20 Power SOUND LEVEL METER Power Cal <System> 1/3 Meas. time : 10min Back Erase : Off Cal mode : External Manual data Clear : Off Internal / External 1/3
EXT Cal 120 db 20 EXT Cal 110 Cal NC-74 1 / 2 NC-74-002 NC-74 NC-72A NC-72A 1/2
EXT Cal 30 EXT Cal 120 30 EXT Cal 120 Cal NC-74 NL-20 NC-72A
99 E Store 20 Start 80 100 200 2 Start Stop Start Stop Un Fast Ov
Ov Ov
Un Un
<System> 1/3 Meas. time : 10min Back Erase : Off Cal mode : Internal Manual data Clear : Off Cal mode On / Off <System> 1/3 Meas. time : 10min Back Erase : Off Cal mode : Internal Manual data Clear : On All data clear? OK Start Cancel Pause 1/3 All data clear? All data clear? 0.5 On OK Start Cancel Pause
<I / O> 3/3 LCD Contrast : Baud rate : 19200 Index : 1 Output AC/DC : AC Light Auto Off : 5min I/O AC/DC 3/3
m Manu E 20 Start 80 Fast m A Fast Leq : 55.5 L05 : 59.7 LE : 65.4 L10 : 57.8 Lmax : 78.9 L50 : 55.4 Lmin : 42.3 L90 : 52.1 LCeq : 58.9 L95 : 50.0 LIST 80 m A Fast Manu 10 20s 59.1 T-L
Start Stop Store Mode Pause Cont A C FLAT Fast Slow Menu Down Page Up Range Recall Recall data Cal adj Light Print Cal NL-20 Power SOUND LEVEL METER Power SOUND LEVEL METER NL-20 RION CO.,LTD. See You
SOUND LEVEL METER NL-20 RION CO.,LTD. Start Stop Store Mode Pause Cont Pause / Cont A/C/FLAT A C FLAT Fast Slow Fast / Slow Menu Down Page Up Range Recall Recall data Cal adj Range Light Print Cal NL-20 Power SOUND LEVEL METER Power
Ov Un m Manu Fast / Slow 20 80 Fast A/C/FLAT m Manu 30 120 Un Fast Ov
m Manu 30 120 Fast
m Manu Fast / Slow 20 80 Fast A/C/FLAT Ov Un m Manu 30 120 Un Fast Ov
Start Stop Store Mode Pause Cont Pause / Cont A/C/FLAT Menu Page Up / Down Menu A C FLAT Fast Slow Down Page Up A C FLAT Fast Slow Menu Down Page Up Range Recall Recall data Cal adj Light Print Cal NL-20 Power SOUND LEVEL METER Fast / Slow Range Power <System> 1/3 Meas. time : 10min Back Erase : Off Cal mode : Internal Manual data Clear : Off 1/3
<Display> Leq : On LN : Off LE : Off LN : Off Lmax : Off LN : On Lmin : Off LN : Off LIST : On LN : Off T-L : On L eq On 2/3 m Manu E 20 Start 80 Fast Ov Un
80 A Fast Manu 10 20s 59.1 Ov Un m Manu 30 120 Un Fast eq Ov
m Manu Fast / Slow 20 80 Fast A/C/FLAT Ov Un m Manu 30 120 Un Fast Ov
Start Stop Store Mode Pause Cont Pause / Cont A/C/FLAT Menu Page Up / Down Menu A C FLAT Fast Slow Down Page Up A C FLAT Fast Slow Menu Down Page Up Range Recall Recall data Cal adj Light Print Cal NL-20 Power SOUND LEVEL METER Fast / Slow Range Power <System> 1/3 Meas. time : 10min Back Erase : Off Cal mode : Internal Manual data Clear : Off 1/3
<Display> 2/3 Leq : On LN : Off LE : On Lmax : Off LN : On Lmin : Off LN : Off LIST : On LN : Off T-L : On L E On 2/3 m Manu E 20 Start 80 Fast
80 A Fast Manu 10 20s 59.1 Ov Un m Manu 30 120 Un Fast Ov
m Manu Fast / Slow 20 80 Fast A/C/FLAT Ov Un m Manu 30 120 Un Fast Ov
Start Stop Store Mode Pause Cont Pause / Cont A/C/FLAT Menu Page Up / Down Menu A C FLAT Fast Slow Down Page Up A C FLAT Fast Slow Menu Down Page Up Range Recall Recall data Cal adj Light Print Cal NL-20 Power SOUND LEVEL METER Fast / Slow Range Power <System> 1/3 Meas. time : 10min Back Erase : Off Cal mode : Internal Manual data Clear : Off 1/3 <Display> 2/3 Leq : On LN : Off LE : On LN : Off Lmax : Off Lmin : On LIST : On LN : Off T-L : Off L max L min On 2/3
m Manu E 20 Start 80 Fast
Ov Un m Manu 30 120 Un Fast Ov Lmax Lmin max
m Manu Fast / Slow 20 80 Fast A/C/FLAT Ov Un m Manu 30 120 Un Fast Ov
Start Stop Store Mode Pause Cont Pause / Cont A/C/FLAT Menu Page Up / Down Menu A C FLAT Fast Slow Down Page Up A C FLAT Fast Slow Menu Down Page Up Range Recall Recall data Cal adj Light Print Cal NL-20 Power SOUND LEVEL METER Fast / Slow Range Power <System> 1/3 Meas. time : 10min Back Erase : Off Cal mode : Internal Manual data Clear : Off 1/3
<Display> 2/3 Leq : On LN : On LE : On LN : On Lmax : Off LN : On Lmin : On LN : Off LIST : On LN : On T-L : On L N LN On L N 01 99 2/3 m Manu E 20 Start 80 Fast
Ov Un m Manu 30 120 Un Fast 50 Ov 80 A Fast Manu 10 20s 59.1
Manu Leq : 55.5 L05 : 59.7 LE : 58.4 L10 : 57.8 Lmax : 78.9 L50 : 55.4 Lmin : 42.3 L90 : 52.1 L95 : 50.0 On L N
80 A Fast Manu 10 20s 59.1 <System> 1/3 Meas. time : 10min Back Erase : Off Cal mode : Internal Manual data Clear : Off 1 / 3 ON m Manu E 20 80 Fast
Mode Start Stop Store Mode Pause Cont A C FLAT Fast Slow Menu Down Page Up Range Recall Recall data Cal adj Data No. Light Print Cal Power NL-20 Power SOUND LEVEL METER
data No. Manu Manu 20 80 Fast eq Leq : 00.0 L05 : 00.0 LE : 00.0 L10 : 00.0 Lmax : 00.0 L50 : 00.0 Lmin : 00.0 L90 : 00.0 L95 : 00.0 Mode 00.0 db
<System> 1/3 Meas. time : 10min Back Erase : Off Cal mode : Internal Manual data Clear : On All data Clear? OK Start Cancrl Pause 1/3 All data Clear All data Clear? 0.5 On
10 1 0.1 0.01 V rms 0.001 100 10-90 -80-70 -60-50 -40-30 -20-10 FS +10 db FS
3.0 2.5 2.0 V 1.5 1.0 0.5 0-90 -80-70 -60-50 -40-30 -20-10 FS +10 db FS
EC-04 EC-04A EC-04B 2 m 5 m 10 m EC-04C 30 m +5 m EC-04D 50 m +5 m EC-04E 100 m +5 m
Start Stop Store Mode Pause Cont Menu Page UP / Down Menu A C FLAT Fast Slow Down Page Print Up A C FLAT Fast Slow Menu Down Page Up Range Recall Recall data Cal adj Light Print Cal NL-20 Power SOUND LEVEL METER Power <System> Meas. time : 10min Back Erase : Off Cal mode : Internal Manual data Clear : Off 1/3 1/3
m Manu 20 100 Fast
Recall Recall m Manu Data No. Fast
<System> Meas. time : 10min Back Erase : Off Cal mode : Internal Manual data Clear : Off 1/3 Cal mode internal 1/3 <I / O> 3/3 LCD Contrast : Baud rate : 19200 Index : 1 Output AC/DC : AC Light Auto Off : 5min AC / DC 3/3
50 db -6 db 20 E m Start Manu 110 Fast 110 db 100 db 90 db 80 db 70 db 60 db 50 db
Start Pause Stop Store Mode Cont Push Opne 260 A C FLAT Fast Slow Menu Down Page Up Range Recall Recall data Cal adj Light Print Cal NL-20 Power SOUND LEVEL METER 33 76 AC DC OUT I O POWER
NL-20
3 20 41 185-8533 TEL042359-7887 FAX042359-7458 1080 192-0915 TEL042632-1122 FAX042632-1140 6 8 7 530-0047 TEL066364-3671 FAX066364-3673 25 13 982-0015 TEL022249-5533 FAX022249-5535 2 3 23 460-0002 TEL052232-0470 FAX052232-0458 5-22 2 812-0025 TEL092281-5366 FAX092291-2847 No. 31971 02-11