Instruction manual

Preparations

Sub channel settings

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] 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] and press the MENU/

ENTER key. The time weighting characteristics setting screen ap-

pears.

9. Use the

keys to select the time weighting characteristics [F(Fast),

S(Slow), I] and press the MENU/ENTER key.

10. Press the START/STOP key to return to the measurement screen.

Note

If the sub channel is not set to “ON”, measurement

value are not displayed.

Since the instantaneous data of sub channel is not

saved, it will not be displayed on the recall screen

(see pages 64 and 85).

When the optional Extended Function Program NX-

42EX is not installed, the time weighting characteristic

I (Impulse) cannot be selected.