To activate Bluetooth function, please make sure your Bluetooth
device have downloaded APP, and follow pairing instruction.
There are 2 ways to process Bluetooth Transmission if Bluetooth
function is ON:
Indicator will begin flashing on the
2. While transmitting the reading to your
Bluetooth Device, HL158HD Bluetooth
Indicator constantly lit 1 minute.
HL158HD can only pair up with one Bluetooth device at a time. To
transmit measuring results to other Bluetooth device, please redo
Steps1 ~ 2.
Press and hold
Under Sleeping Mode and Standby Mode,
1. Press and hold
and starting Bluetooth function(Bluetooth Indicator flashing)
2. While transmitting the reading to your Bluetooth Device, HL158HD
Bluetooth Indicator will remain steady on the screen.
can only pair up with one Bluetooth device at a time.
To transmit measuring results to other Bluetooth device, please retry
as mention above.
If HL158HD cannot connect to paired
Bluetooth device over 45 seconds, LCD will
display Error message "E4".
Without any operation in
automatically and Bluetooth Indicator OFF.
Standby Mode: Segments appeared, but not under BPM
measuring or data transmitting.
Sleeping Mode: Clear all LCD segments.
button for 3 seconds:
button for 3 seconds to wake up the device
60 seconds, the device shuts off