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OPERATION PROCEDURE
Open the carrying case.
Press the "O" button to rurn power on or off
Remove the cap of the light sensor, Put the light
sensor at the spot where lhe testing of source of
light is to be conducted, auto testing will then be
conducted by the meter, read the testing value after
the reading indicated becomes stable.
When "OL" is shown at the highest position ai the
left lateral side, overload is indicated, then please
choose another range that is located at a
comparatively hi gher position .[ M-2O1 /202/204)
lf you want to keep the reading value on the LCD
permanently after testing, press the "D-H" Key
whereby the reading value will be locked
permanently up. Press the "D-H" Key once again
when you want to release the previous locking.
After testing, put the cover of the light sensor back
to its former position, and turn off the switch.
After testing is completed, the indication value
should be 000 no matter what its range would be
after putting the cap of the light sensor back to its
lormer position. Please adjust 0 ADJ to enable LCD
to indicate 000 if zero cannot be recovered. lf zero
still cannot be recovered, it means that the meter
breaks down. (TM-2O1 1202/204)
Press the ZERO button for the zero adiustment if
any digits is appeara (TM-205)
NOTE. : When the light sensor cap is not attached
"CAP" is indicated. Make sure that it is attached.
lf performing the zero adjustment after powering
on, several digits may not disappear. ln this case,
perform the zero adjustment again.
INSTRUMENT DESCRIPTION
(See Fig.1/ Fig.2)
Display(LOD): Display measurements and function
symbols.
Power Button: ON/OFF switching.
MAX button: Lock up MAX or MIN (TM-202l205),
value of LCD. Press M-H or MAX again to resume
normal measuring. (TM-201/204) Press M-H or
MAX 1 second to resume normal measuring. (TM-
202 or TM-205)
Lux/Fc button: For select Lux and Fc.
DATA HOLD button: The reading data shown on
LCD can be locked while pressing the button.
Range button.
DC analog output terminal. (TM- 202) 30 plug
DC Analog Output Value
Tablel
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I1 Lux/Fc=1omv
1 Lux/Fc=1mV
1 Lux/Fc=O.1mV
1 Lux/Fc=0.01mV
l Lux=0.001mV
EN-5
