UNI-T UTE9800+ Series User Manual page 20

User's Manual UTE9800+ Series Smart Digital Power Meter
required measurement value from the display on the front panel of the instrument after the load has been
working stably.
Notes: The instrument should be preheated for 30 minutes before entering the stable state. After cutting off the
instrument power, it should wait for more than 5 seconds before powering it on again. It is strictly forbidden to
switch the power on and off repeatedly within a short period of time, which will cause the instrument life to
shorten and may cause instrument failure. When the measurement is finished, turn off the instrument power
and unplug it to prevent possible damage to the instrument caused by lightning strikes.
3.1.5 Boot-up (UTE9806+ only)
1. The instrument will self-inspection and display three interfaces when it boot up. The first interface is to light
up all segment codes of LCD and all key indicators (some segment codes that are lit up are not used in this model,
it subject to the actual function). UTE9806+ has four keys with indicator, which is 【Hold】, 【Mute】, 【Shift】 ,
【Lock】，as shown in the following figure.
2. The second interface displays system information, including firmware and hardware version as shown in the
following figure.
F-1.00 represents firmware version. H-1.00 represents hardware version.
3. The third interface displays the system communication information, including baud rate, communication
address and communication protocol, as shown in the following figure.
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