G-Finder Multi (O
2
/ CO / H
2
S / CH
4
) Portable Multi Gas Detector
GT-07919072501
PAGE 10 of 14
Rev 1.0(2020.05.18)
While using Bluetooth communication mode, blue
LED flashes and the gas concentration
measurement value is transmitted once every 10
seconds in normal condition (once every 2
seconds when an alarm occurs) to the connected
Bluetooth device. It allows user to monitor
remotely through the connected Bluetooth device.
※
Battery life decreases faster while using
Bluetooth communication mode. It is
recommended to save battery by
disconnecting Bluetooth communication
mode while not using Bluetooth
communication mode.
※
For G-Finder Multi, which does not
support Bluetooth option, below figures
of screen will not be displayed.
1)
Press the button twice to get into the menu.
Then, "BUMP TEST" will be displayed on the
screen. "BLE-XX XX:XX:XX" will be displayed
on the screen by pressing the button four
times. (it will not be shown if G-Finder Multi is
without Bluetooth option)
“XX XX:XX:XX” is the last four groups of two
hexadecimal digits of the Bluetooth MAC
address of the G-Finder Multi. In the example
below, G-Finder Multi with “ED:6D:34:20” as
the last four groups of two hexadecimal digits
of the Bluetooth MAC address is shown.
2)
Press and hold the button until 3 seconds
countdown is displayed, then keep holding
until the countdown is completed in order to
enable the connection of Bluetooth
communication mode.
3)
Then, “ON- XX XX:XX:XX” is displayed on the
screen and the icon blinks to wait for a
connection from the Bluetooth device.
4)
Run the application on the Bluetooth device,
search and select GFM-400 which has the
same MAC address with the last four groups
of two hexadecimal digits of the MAC address
on the GFM-400 LCD screen.
5)
When the Bluetooth communication between
the Bluetooth device and GFM-400 is initially
connected, various internal values of the
corresponding G-Finder Multi are transmitted
to the device. When transmission and
connection are completed, the screen
automatically switches to the Bluetooth mode
screen and the icon lights up continuously.
After this moment, the Bluetooth
communication connection will be completed
successfully and the Bluetooth communication
mode will be operated normally with
transmitting the gas concentration
measurement value periodically and the blue
LED flashing.
6)
In order to disconnect and disable Bluetooth
communication mode, proceed the above
procedure ‘1)’ until "BLE-XX XX:XX:XX" and
the icon is displayed on the screen as
shown at the above procedure ‘5)’.
7)
Press and hold the button until 3 seconds
countdown is displayed, then keep holding
until the countdown is completed in order to
