PN 10795T 27
• An attenuation factor of 4 would display the value of the source.
To enter into the attenuation factor mode:
A. Press the MODE button to start a menu cycle of J, W, CAL and tO and cd.
B. Press the ON/SELECT button when the CAL annunciator appears. A second menu cycle of tCon,
SPd and Attn will start.
C. Press the ON/SELECT button when the Attn annunciator appears. The current attenuation factor
will be displayed and SET will flash.
D. Press the RANGE (count up) and MODE (count down) buttons to change the attenuation factor to
the desired value. Values of 0.01 to 99.99 may be selected.
E. Press the ON/SELECT button. The attenuation factor is now active and the power meter will
return to the last operational state.
F. Press and hold the OFF/CANCEL until the display blanks to save the setting.
G. Press the ON/SELECT button to turn the H410 back on.
Attenuation factors can also be used to enable the H410 to display the correct reading when HD and HDX
calorimeters are used with wavelengths other than their calibration wavelength. See the discussion at the
beginning of this section for details.
12. Time Out
Note: You must save all settings by pressing and holding the OFF/CANCEL button until the display
blanks. If the H410 is turned off, by using the ON/OFF slide switch, before settings are saved, they will
be lost.
Note: The time out default is 10 minutes.
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