Name and function of the primary mode panel switch

Name and function of the primary mode panel switch

 

·Primary mode (Function 1 switches)

This is mode for general panel switch operation. The function name is shown with black characters at the center of the panel switch.

 

[Caution]

*Generally with the panel switches, continuously pressing them increase or decrease the setting values.

However, some of them activates another function, so please be careful with the switch operation.

 

1 A/C/FLAT

Switches the frequency correction characteristics. A > C > P (FLAT) > A …

2 FAST/SLOW

LA-1240/1250/1350: Switches the time weighting. FAST > SLOW > FAST >…

2* FAST/SLOW/IMP

LA-4350: Switches the time weighting. FAST > SLOW > FAST > …

3 LEVEL
()

Switches the level range (dB)

4 LP, Leq … LX

LA-1240/1250/1350: Switches the measurement item.

> LP > Leq > LE > LMAX > L05 >L10 > L50 > L90 > L95 > LP

4* LP, Leq … LX

LA-4350: Switches the measurement item

> LP > Leq > LE > LMAX > LPK > L05 > L10 > L50 > L90 > L95 > LP

5 MEAS TIME

Switches the measurement time.

> 0sec > 1sec > 3sec > 5sec > 10sec > 20sec > 30sec > 1min > 3min > 5min > 10min > 15min > 20min > 30min > 1hour > 8 hour > 16hour > 24hour > 48hour > 120hour > 168hour > 0sec

When you set 0 dB, measurement for up to 199 hours, 59 minutes, and 59 seconds is possible with manual operations.

6 PRINT

Starts and stops printing.

Pressing and holding this switch for 0.5 seconds or more during timer measurement and memory recall operation starts printing automatically.

7 STORE Writes data to the selected manual memory address.
8 START

Starts measurement after clearing data.

Starts and stops measurement during timer measurement. (Without LA-1240)

9 2nd Switches between the primary mode and secondary mode.
10 CAL Switches between ON and OFF of the internal calibration signal output.
11 PAUSE

Switches pause/ restart the measurement.

Pressing and holding this switch for 0.5 seconds or more measurement activates the back erase operation (without LA-1240).

Revised:2002.01.09


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