Back light
• LED is the main source of back light. Its working current is large, often use
back light will shorten the battery life, you'd better not to use the back
light so frequently unless it's necessary.
• When the battery voltage is less than 7V, it will show
back light at the same time, maybe
voltage is more than 7V, because the working current is higher and the
voltage will decline. (When
can not be assured.)
• You need not replace the battery. When you use normally (back light is not
using),
will not show up. You need replace it till
Auto Power Off
By default, when the meter is powered on, it is under auto power off mode
The meter will power itself off after 30 minutes if no key operation and no
RS232 communication. Combination at power on can disable auto power off.
One may press and hold "HOLD" button and then power on the meter and
there will be two successive beeps to indicate that auto power off is disabled
and the
will not show up.
Digital output
The Digital Output is a 9600bps N 81 serial interface.
Battery replacement
• If the sign
appears on the LCD display, it indicates that the battery
should be replaced.
• Turn the unit off. Remove the battery cover.
• Replace the exhausted battery with a new one.
• Put the battery cover as its origin.
Use the tripod connector
• If needed, the meter can be fixed on the tripod.
• The meter also can be hanged up for use.
www.grupotemper.com
Digital thermohygrometer
will come up even if the battery
shows, the accuracy of the measurement
KTH 6503
. But if you use
show again.
Instructions manual |
17