PRYME PRYMEMAX BTH-600-MAX

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Pairing with a PRYMEBLU Radio Adapter, 2-Way Radio, or Phone

The BTH-600-MAX speaker microphone is designed to work

with PRYMEBLU wireless adapters, and two-way radios with

internal BT made by BK, Icom, and Kenwood/EF Johnson,

as well as smartphone and tablets running either the

Android orApple iOS operating systems. Prior to normal

operation, the handset and speaker microphone must

be paired together using the following process:

• Hold down the Multifunction Button on the PRYMEBLU Speaker Microphone. Continue to hold the

button down for approximately 3 seconds, until you see the LED on the Speaker Microphone begin to

quickly ﬂash RED-BLUE-RED-BLUE in sequence. The PRYMEBLU Speaker Microphone is now in pairing

mode.

• If you are pairing the microphone to a PRYMEBLU adapter, place the adapter into pairing mode

following the instructions in the user's manual for that device. Typically, this is done by holding down

the PTT button on the adapter while powering the adapter or attached two-way radio on and then

continuing to hold the PTT button down until the LED on the adapter ﬂashes two times per second.

• If you are pairing the microphone with an Icom or Kenwood/EF Johnson two-way radio, follow the

manufacturer's instructions to have the radio scan for nearby headset devices. Once it ﬁnishes scanning,

select the PRYMEBLU microphone from the list of nearby devices.

* If you are pairing the microphone with a smartphone, make sure that the smartphone's BT slider is

turned on and then use the phone's BT menu to scan for nearby devices. Select the device named

"BTH-PTT" to pair with the phone.

• After a few seconds, the two devices should sync to one another. Once the PRYMEBLU Speaker

Microphone and Adapter, Radio, or Phone are paired with each other the status LED on the Speaker

Microphone will then show one FLASH every few seconds.

• Once successfully paired, you will be able to operate your 2-way radio using the PRYMEBLU Speaker Mic.

Reconnecting a Previously Paired Speaker Microphone and Two-Way Radio or Phone

Once the PRYMEBLU Speaker Microphone and adapter, radio or phone have been successfully paired

together, both devices will remember that connection. The adapter/radio and Speaker Mic will attempt

to re-establish their link whenever the adapter, radio or phone and Microphone handset are both

powered on and in within range of each other. Re-establishing this connection can take 10-60 seconds.

3 4

Charging the Speaker Microphone

Controls and Connection

PRYMEMAX™ BTH-600-MAX

Wireless BT Speaker Microphone

For use with PRYMEBLU Wireless adapters; BK, Icom, and

Kenwood / EF Johnson 2-way radios with built-in BT connectivity;

and for PTT Over-Cellular apps such as ES Chat, Team on the

Run/Team on Mission, Unity Intercom, and Zello on IOS

and Android smart phones.

PRYME® and PRYMEBLU® are trademarks owned by PRYME Radio Products,

Brea CA. All other product or service names are the property of their respective owners.

Phone Button

This button is used to

answer or hang up phone

calls when the BTH-600-MAX

is connected to a cellphone.

To charge the Speaker Microphone

1. Ensure the device is turned oﬀ using the multifunction button.

2. Plug the charge cable into any powered USB outlet, such as

an AC wall charger, and then into the charge jack

on the Speaker Microphone.

3. Once the charging process has begun, the LED indicator

on the Speaker Microphone will show a constant red light.

4. Typical charge time is approximately ﬁve hours. Actual charge time

will vary depending on several factors including the battery’s charge state, condition, and age.

5. When the battery is fully charged the LED indicator on the side of the Speaker Microphone

will turn oﬀ.

6. Disconnect the charger from the microphone when charging is completed.

Charging Cautions:

- Do not use a wall charger or charge cable that appears to be damaged. (Example: frayed wires,

melted plastic, etc.) Contact PRYME to get a new manufacturer-approved replacement charger.

- Do not tamper with or modify the Speaker Microphone or charger.

- Always turn the Speaker Microphone oﬀ when charging.

The BTH-600-MAX Speaker Microphone has a

Lithium Ion rechargeable battery pack which

must be charged prior to operation, and must be

recharged regularly. A fully charged battery will

provide up to 40 hours of continuous operation

before needing to be recharged. However,

operating time can vary depending on usage and

the condition of the battery pack. Recharge the

battery regularly.

Model No.: BTH-600-MAX

FCC ID XTS-BTH-600 Made in Taiwan

Front Firing Speaker

Received calls are heard over this speaker.

The volume level can be controlled using

either the Volume Up / Down buttons on

the Speaker Microphone, or by using the

volume controls on the

two-way radio or phone.

Status LEDs

The red and blue LEDs ﬂash

messages that let the user

know the current status of

the Speaker Microphone.

Multifunction Button

Holding down this button for one second

will turn the Speaker Microphone on and oﬀ.

This button can also be used to place the Speaker

Microphone into pairing mode so that it can be

connected wirelessly to a phone or radio.

Microphone:

This Microphone picks up the user’s

voice audio when sending a call.

PTT Button

This button is used to

activate the push-to-talk

feature of the 2-way radio

or phone.

Volume Up and Down Buttons

These buttons can be used to turn

the receive audio volume of the

Speaker Microphone up or down

in ﬁve preset steps.

Charge Jack

This USB-C jack is used only to recharge the

removable battery of the Speaker Microphone

by connecting the BTH-600-MAX to a USB charger

or any powered USB source

Earphone Jack

This jack is used to connect an (optional)

wired listen-only earphone to the Speaker

Microphone for enhanced privacy.

Clothing Clip

The alligator-type clip secures the

Speaker Microphone to the user’s

clothing during use. The clip can be

rotated to allow the Microphone to

be better positioned.

Need help?

Do you have a question about the PRYME PRYMEMAX BTH-600-MAX and is the answer not in the manual?

Summary

Controls and Connection Overview

Device Controls and Indicators

Details the physical buttons, speaker, microphone, and indicator lights on the device.

Charging the Speaker Microphone

Charging Procedure

Details the steps to connect the device to a USB charger and monitor the charging status.

Charging Safety Precautions

Lists important safety warnings to follow during the charging process to avoid damage.

Pairing and Reconnecting Devices

Bluetooth Pairing Procedure

Guides users through pairing the speaker microphone with adapters, radios, or smartphones.

Reconnecting Paired Devices

Explains how previously paired devices will automatically reconnect when powered on.

Using with PTT Apps and Phone Calls

PTT Over Cellular App Usage

Explains how to use the speaker microphone with PTT Over Cellular apps on smartphones.

Phone Call Operations

Details how to initiate, answer, and end phone calls using the speaker microphone.

Optional Accessories and Specifications

Optional Earphones

Describes the use and compatibility of optional listen-only earphones with the device.

Status LED Indicators

Explains the meaning of different LED light patterns indicating device status.

Technical Specifications

Lists the technical details and capabilities of the speaker microphone.

Support, Warranty, and Compliance

Product Support and Warranty

Outlines the product warranty terms, limitations, and how to obtain support.

FCC Compliance and RF Exposure

Details FCC statements, interference, and radio frequency exposure warnings.

Application Setup Guides

Zello App Setup (Android)

Instructions for setting up the PTT button with the Zello app on Android devices.

Zello App Setup (iOS)

Instructions for setting up the PTT button with the Zello app on iOS devices.

Wave Communicator Setup (Android-SPP)

Guides for setting up Wave Communicator via Serial Port Protocol on Android.

Wave Communicator Setup (Android-BLE)

Guides for setting up Wave Communicator via Bluetooth Low Energy on Android.

Wave Communicator Setup (iOS)

Instructions for setting up Wave Communicator on iOS devices.

Overview

Function Description
Important Technical Specifications
Usage Features
Pairing
PTT App Usage (e.g., Zello, WAVE Communicator)
Phone Call Management
Status LED Messages
Maintenance Features
Charging
Charging Cautions
Warranty
Disclaimer

The PRYMEMAX™ BTH-600-MAX is a wireless Bluetooth speaker microphone designed for use with PRYMEBLU wireless adapters, two-way radios with built-in Bluetooth connectivity (from brands like BK, Icom, and Kenwood/EF Johnson), and PTT Over-Cellular apps on iOS and Android smartphones (such as ES Chat, Team on the Run/Team on Mission, Unity Intercom, and Zello).

Function Description:

The device features a front-firing speaker for receiving calls, a microphone for transmitting voice audio, and a PTT (Push-To-Talk) button to activate the radio or phone's PTT feature. It includes Volume Up and Down buttons to adjust receive audio in five preset steps. A Phone Button allows users to answer or hang up phone calls when connected to a cellphone. For enhanced privacy, an earphone jack is provided for connecting a wired listen-only earphone, which disables the front-firing speaker when in use. A USB-C charge jack is used to recharge the removable battery. Status LEDs (red and blue) provide visual messages about the device's current status, such as charge mode, pairing mode, and connection status. A Multifunction Button is used to power the device on and off, and to place it into pairing mode.

Important Technical Specifications:

BT Version: V4.1 fully qualified
Speaker Output: 2 watts
Receiver Sensitivity: -82 dBm (typ.)
Power Class: BT class 2
Range: 10 meters
Display: Blue, Red, and Green LEDs
BT Profile: HSP / HFP / A2DP / AVRCP
Operating Voltage: 5 VDC
Battery Capacity: 1,020 mAH
Operating Time (Standby): > 30 days
Operating Time (Typical): > 80 hours
Operating Time (Continuous Talk): > 40 hours
Push-to-Talk Function: Built-in
Operating Temperature: -4°F to +120°F (approx.)
FCC ID: XTS-BTH-600

Usage Features:

The BTH-600-MAX is equipped with a rotatable clothing clip for secure and optimal positioning.

Pairing:

To pair the device, hold down the Multifunction Button for approximately 3 seconds until the LED flashes RED-BLUE-RED-BLUE in sequence, indicating pairing mode.

With PRYMEBLU adapter: Place the adapter into pairing mode as per its manual (typically by holding down the PTT button while powering on).
With Icom or Kenwood/EF Johnson radio: Follow the radio's instructions to scan for headset devices and select "PRYMEBLU microphone."
With smartphone: Ensure Bluetooth is on, then use the phone's BT menu to scan for devices and select "BTH-PTT." Once paired, the status LED will show one blue flash every few seconds. Previously paired devices will automatically attempt to reconnect when powered on and within range, which can take 10-60 seconds.

PTT App Usage (e.g., Zello, WAVE Communicator):

For PTT Over-Cellular apps, additional in-app setup may be required.

Zello (Android): In Zello's "Under the Hood" options, select "BTH-PTT" under "BT PTT Control." Activate the speaker microphone in Zello's Talk screen by tapping, holding, and sliding to the BT icon.
Zello (iOS): In Zello's "Settings > PTT Button," enable "Wireless Button Service" and press/hold the PTT button on the BTH-600-MAX. Select "PTT-Z" from the list of PTT devices.
WAVE Communicator (Android-SPP): In "App Settings," ensure "Use BT Device for PTT" is selected, then choose "BTH-PTT" for "BT Device to Use." Confirm by pressing the PTT button on the BTH-600-MAX.
WAVE Communicator (Android-BLE, optional): Press/hold the PTT button on the BTH-600-MAX. In phone's BT settings, select "PTT-Z." In WAVE's "App Settings," ensure "Use BT Device for PTT" is selected and choose "PTT-Z" for "BT Device to Use." Release the PTT button.
WAVE Communicator (iOS): In WAVE's "App Settings," press/hold the PTT button on the BTH-600-MAX. Ensure "Use BT Device for PTT" is selected and choose "PTT-Z" for "BT Device to Use." Release the PTT button.

Phone Call Management:

Initiate calls using the phone's dialer app. Audio routes through the BTH-600-MAX.
Answer incoming calls by pressing the Multifunction button.
Hang up calls by pressing the Multifunction button.

Status LED Messages:

Constant Red (charging): Charge mode.
No indication (plugged in): Charging finished.
Flashes red-blue-red-blue repeatedly: Pairing mode.
Two blue flashes every two seconds: Powered on but not paired.
One blue flash every two seconds: Powered and paired.
Constant red with one blue flash every two seconds: PTT is pressed.
No indication (not plugged in): Powered off.

Maintenance Features:

The device uses a Lithium Ion rechargeable battery pack.

Charging:

Turn off the device using the multifunction button.
Plug the charge cable into a powered USB outlet (e.g., AC wall charger) and then into the charge jack on the Speaker Microphone.
The LED indicator will show a constant red light during charging.
Typical charge time is approximately five hours.
The LED indicator will turn off when fully charged.
Disconnect the charger.

Charging Cautions:

Do not use damaged chargers or cables.
Do not tamper with or modify the device or charger.
Always turn off the Speaker Microphone when charging.

Warranty:

PRYME Radio Products offers a one-year limited warranty against defects in materials or workmanship from the date of retail purchase. This warranty is extended only to the original purchaser in the United States and Canada. It does not cover damage from Acts of God, abuse, misuse, improper usage/installation/maintenance, lightning, excessive voltage, tampering, or repairs by unauthorized facilities. Consumable parts, transportation costs, or in-transit damage are not covered. The warranty is limited to repair or replacement.

Disclaimer:

The Bluetooth wireless link used by PRYMEBLU products is an open standard, unsecured technology and is not recommended for first-responder or other mission-critical users.