13
OTHER FUNCTIONS
Automatic Shutdown
• If the knob switches and buttons are not operated within the set shutdown time (5-
30 minutes), the instrument will automatically shutdown to save energy.
• In the state of automatic shutdown, press any button or turn the knob switch and it
will automatically wake up.
• From one minute before the automatic shutdown countdown, the APO sign will
icker.
• If the “BEEP” is set as “ON”, the buzzer will make three short “beep” warnings,
when counting down, for 40, 20 and 10 seconds. It will make one “beep” warning
in Sleep mode.
• Duing the icker of the APO sign, short press any button to cancel automatic
shutdown with no response to the original functions or buttons.
• In normal operation mode, access the Setup menu to cancel the automatic
shutdown function (APO TIME: OFF) and the character of APO on the LCD screen
will disappear automatically.
Buzzer
• Press any button switch in the mode of BEEP ON and if the button with the
corresponding function works, the buzzer will sound.
• In normal operation mode, it makes one “beep” sound if the button operation is
valid and two “beeps” if it is invalid.
• The “beep” of a button can be enabled or disabled in the Setup menu.
Low Voltage Detection
• If the internal VDD is lower than 7.3V, the low battery symbol will be displayed.
Charge the internal lithium battery to ensure that measurements are precise.
• If the low battery current is detected by the instrument it will be forced into Sleep
mode.
Charging the Internal Lithium Battery
Caution
• If the lead disconnects or the battery fails to
charge, a consecutive red/green ashing light
will be emitted by the indicator on top.
==
•
•
Connect the charging adaptor, as shown
(right).
When charging, a red indicator alert will be
emitted on top of the instrument, which turns
green when the charging reaches the full value
and the instrument will automatically cut off
from charging.
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