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○FIX FREQ Use this mode to fix the filter setting during FREQ mode in order

tomeasure flashing light and flicker light such as fluorescent light.

Set the vertical synchronous signal frequency for CRT and the

commercial frequency (50 or 60Hz) for the light of fluorescent lamp. The

optimum integration time is calculated according to the combination of

entered frequency value and brightness of the light.

Valid value range is from 1.5 to 250Hz.

☞

‘3.3.4 FIX FREQ Mode’

Use the following procedure to set the measurement mode:

1 Switch to the function mode to display [MEASURE]-

[Measure Type].

☞

'3.1.2 Entering/Returning from the Function Mode'

2 Press the [CHANGE] switch.

3 Press the [ROTATION] switch to find the desired measurement mode.

＊ＭｅａｓｕｒｅＴｙｐｅ＊

＊ＡＵＴＯ

Each time the [ROTATION] switch is pressed,

the mode is changed as follows.

AUTO → FREQ → MANU → SYNC → FIX INTEG → FIX FREQ

4 Press the [ENTER] switch to accept the displayed value.

DIF.

ABS.

LAMP

DOWN

MEAS.

HOLD

FIELD

FUNCTION

ENTER

CHANGE

ROTATION

SHIFT