3
5 Operation
5.1 Power Button
Press
button to turn on or turn off the power.
5.2 Turn on backlight (Backlight)
Press
button to turn on or turn off the
backlight.
The backlight will be turned off automatically after
lighting up for 15 seconds.
The backlight will be turned on automatically when
the meter is connected to USB or AC POWER.
5.3 Data hold (HOLD)
Press
button to hold the displayed value,
then a symbol
will appear. Press again to
disable it and the symbol
disappears.
When the reading is held, you can only turn off
the power and use the backlight switch.
5.4 Time display (Time)
Change the display mode of hour-minute, second,
date or year.
Press
button to change the display mode. If
rebooting, the display mode will be set to "hour:
minute".
Summary of Contents for TM-215
Page 1: ...TM 215 Lux Light Meter User s Manual HB2TM2150000 ...
Page 2: ......
