
BU-1 Bluetooth® Adapter Unit
Please be sure to follow these safety precautions.
Turn the transceiver power off, and disconnect all cables from the transceiver.
Touch a metal place to discharge any static electricity from your body.
Installation
1. Remove the six screws and the washer securing the Front Panel and then carefully
separate the Front Panel from the Rear case.
If you use the GX5500S, disconnect the
wire from the Printed Circuit Board in the
Front Panel.
2. Locate the connector for the BU-1.
Peel the covering of the double-side tape on
the Printed Circuit Board.
Connector
Double-side tape
3. Carefully align the connector on the BU-1
with the connector on the Printed Circuit
Board, and gently press the BU-1 into place.
Wire
BU-1
4. Replace the Rear Case, using the screws and
washer removed in the first step.
Note: If you used the GX5500S, Attach the
Wire to the connector on the Printed
Circuit Board in the Front Panel.
Be certain the Rubber packing on the Rear
case is correctly installed, and the rear
case adheres and seals properly.
5. Installation is now complete.

Installation of the optional BU-1 Bluetooth® Adapter Unit will enable, the GX5000S/GX5500S to
send/receive voice messages with the optional BH-1 Bluetooth® Headset via wireless links.
Pairing
When using the Bluetooth® Headset for the
first time, the Bluetooth
GX5000S/GX5500S must be paired.
Bring the Bluetooth
GX5000S/GX5500S close together when
doing Pairing.
1. Press and hold the [CALL(MENU)] key un-
Setup MenuSetup Menu
til “
Setup Menu” appears.
Setup MenuSetup Menu
2. Turn the CHANNEL selector knob to select
BluetoothBluetooth
“
Bluetooth” menu, then press the [ENT] key.
BluetoothBluetooth
You may change the PIN code, if desired,
before continuing with step 3.
a. Turn the CHANNEL selector knob to
Pin CodePin Code
select “
Pin Code”.
Pin CodePin Code
b. Press the [ENT] key (The current PIN
code appears).
c. Using the GX5500S
To enter a PIN code from the keypad,
just press the numbered digits on the
keypad in the proper sequence.
Using the GX5000S
i) Rotate the CHANNEL selector
knob to set the first digit of the PIN
code.
ii) Press the [ENT] key to save the
first digit of the PIN code and move
on to the next place.
iii)Repeat the previous steps to com-
plete the PIN code.
d. If you make a mistake, press the [ENT
key to move the incorrect number, then
re-enter the correct number.
e. Press and holed the [ENT] key to save
the new setting and exit to the
BluetoothBluetooth
“
Bluetooth” menu.
BluetoothBluetooth
3. Turn the CHANNEL selector knob to select
PairingPairing
“
Pairing”, then press the [ENT] key.
PairingPairing
4. Make sure that the BH-1 is off.
5. Press the [ENT
]
6. Press and hold the POWER switch on the
BH-1 for five seconds, until the BH-1’s LED
indicator blinks red/blue alternately.
7. When the BH-1 is correctly recognized (Re-
quires a 20 to 30 seconds) by the transceiver,
the BH-1’s LED indicator will blink blue,
and “Pairing Succeeded” notation will appear on the display of the transceiver.
8. To exit this menu and return to radio operation mode press the [16/9] key.
key.
®
Headset and the
®
Headset and the
VOX feature
1. Press and hold the [CALL(MENU)] key un-
Setup MenuSetup Menu
til “
Setup Menu” appears.
Setup MenuSetup Menu
2. Turn the CHANNEL selector knob to select
BluetoothBluetooth
“
Bluetooth” menu, then press the [ENT] key.
BluetoothBluetooth
3. Turn the CHANNEL selector knob to select
Vox FunctionVox Function
“
Vox Function”, then press the [ENT] key.
Vox FunctionVox Function
4. Turn the CHANNEL selector knob to select the desired VOX function:
OFF: Disable the VOX feature.
HIGH: Activate the VOX feature (VOX
gain: High).
LOW: Activate the VOX feature (VOX
gain: Low).
5. Press the [ENT] key to save the new setting and exit to the “
BluetoothBluetooth
Bluetooth” menu.
BluetoothBluetooth
6. To exit this menu and return to radio opera-
tion mode press the [16/9] key.
Battery saver
Enable/Disable the battery saver of the optional
BH-1 Bluetooth
1. Press and hold the [CALL(MENU)] key un-
Setup MenuSetup Menu
til “
Setup Menu” appears.
Setup MenuSetup Menu
2. Turn the CHANNEL selector knob to select
BluetoothBluetooth
“
Bluetooth” menu, then press the [ENT] key.
BluetoothBluetooth
3. Turn the CHANNEL selector knob to select
Save FunctionSave Function
“
Save Function”, then press the [ENT] key.
Save FunctionSave Function
4. Turn the CHANNEL selector knob to select “ON” or “OFF”.
]
5. Press the [ENT] key to save the new setting and exit to the “
6. To exit this menu and return to radio opera-
tion mode press the [16/9] key.
VERTEX STANDARD CO., LTD.
4-8-8 Nakameguro, Meguro-Ku, Tokyo 153-8644, Japan
VERTEX STANDARD
US Headquarters
10900 Walker Street, Cypress, CA 90630, U.S.A.
EAF43U100
®
Headset.
BluetoothBluetooth
Bluetooth” menu.
BluetoothBluetooth