Telex BTR-24 User Instructions Download Page 2

TR-24 Control and Connection – Top Panel

1.

Volume Control and Power Switch 

– Turns the power on/off and controls

headset volume.

2.

Battery / Power Light

 – Indicates the beltpack has power, either from the internal

battery or AC power connected to the unit.

GREEN

= Beltpack battery OK

RED

= Battery Low ( >15 minutes left)

NO Light

= Battery Depleted

3.

Button One and Light

 – Selects audio channel one.  The channel light has two

modes depending on the <TALK> button’s state.

Light Solid

= Talk and Listen enabled.

Light Flashing = Listen only enabled (Push-to-TX).

4.

Talk Button

 – Enables the headset microphone. The button has two modes:

Momentary   =  Press and hold for over  ½ second

Latch on/off  = Tap button and microphone is enabled, tap again to turn

                                off.

5.

Button Two and Light 

– Selects audio channel two.  The channel light has two

modes depending on the <TALK> button’s state.

Light Solid      = Talk and Listen enabled.

Light Flashing = Listen only enabled (Push-to-TX).

6.

Charge / Power Jack 

– Used to charge the internal battery or power the unit

directly off a wall outlet.  Accepts a 5.5mm x 2.5mm plug with the center positive. 
Must be supplied with a 12VDC regulated power supply with at least a 400mA
current capacity.

BTR-24 Control and Connection – Front Panel

1.

On/Off Switch

– Turns the power on/off to the base station.

2.

Power / Low Battery Light

 – Indicates the base station has power, either from the

internal battery or AC power connected to the unit.

GREEN

= Battery OK

RED

= Battery Low (>30 minutes left)

NO Light

= Battery Depleted

3.

AP Active Light

 – This green light flashing indicates that the BTR has

successfully booted and is operating.

 

4.

RF Channel  Display

 – The display indicates the RF channel for which the unit is

set.

5.

Select Button

 – Hit the button to select the desired RF channel for the base station. 

The button has two other functions as follows:

Clear Scan – Press and hold the button until the decimal point starts to
flash (about 3 seconds) then release.  The unit will scan all the RF
channels, then set the unit on the one with the least WiFi activity.

Lock – Press and hold the button until the decimal point is on solid (about
10 seconds) then release.  The base will be locked on the displayed
channel until rebooted or the decimal point is turned off by the same
procedure.

TR-24 Control and Connection – Bottom Panel

7.

Charge Light.

RED        = Beltpack battery is charging.

GREEN   = Beltpack battery is charged.

8.

Headset Connector

 – Standard 4-pin XLR connector.

9.

Configuration Jack 

– RJ-45 jack used to interface the beltpack to an Ethernet

cable.  Jack may be used for wired mode and configuring the beltpack.

Beltpack Button Combinations (All have voice prompts):

Wireless Mode . . . . . . . . . Press  <TALK> until unit is done booting.  
Wired Mode . . . . . . . . . . Press  <TWO> until unit is done booting.
Master Wireless Mode. . . . . Press <ONE> until unit is done booting.
Momentary Mode . . . . . . . Press <ONE> +<TALK>+<TWO> for 3

(Push-to-TX full time)

seconds. Press the three buttons again to go back to 
the default “Push-to-Latch” mode.

Microphone Gain . . . . . . . Press <ONE> + <TALK> for 3 seconds.  Keep

<TALK> held down and use <ONE> to decrease 
the gain,  <TWO> to increase it.  Release all buttons 
for at least 1 second to set.

Sidetone Level . . . . . . . . . Press <TALK> + <TWO> for 3 seconds.  Keep

<TALK>  held down and use <ONE> to decrease 
the level, <TWO> to increase it.  Release all buttons 
for at least 1 second to set.

BTR-24 Control and Connection – Rear Panel

6.

Receive Antenna Jack

 – Reverse TNC receive jack.

7.

Charge / Power Jack

 – Used to charge the internal battery or power the unit

directly off a wall outlet.  Accepts a 5.5mm x 2.5mm plug with the center
positive.  Must be supplied with a 12VDC regulated power supply with at least a
400mA current capacity.

8.

Charge Light.

RED           = Battery is charging.

GREEN      = Battery is charged.

9.

Configuration Jack

 – RJ-45 jack used to interface the b

ase station to an

Ethernet cable.  Jack may be used for configuring the base station or
connecting multiple base stations.

10.

Transmit Antenna Jack

 – Reverse TNC transmit jack.

                                                                                          

Made in U.S.A.                                                           02/2007

1 2 3

OFF

MIC

S.T.

A J

D

1

2

4 5

A J

D

ON

OFF

LOW

BATTERY

POWER

AP

ACTIVE

CHANNEL

Telex

R

SELECT

CHANNEL
CLEAR SCAN

LOCK

BTR-24

1

2

3

4

5

CHG

EXT

6 7 8

9

RED: CHARGING
GREEN: READY

PGM

TRANSMIT
ANTENNA

12 VDC
400mA

CORD

RETAINER

RECEIVE

ANTENNA

BTR-24

Telex Communications, Inc.

This device complies with Part 15 of the FCC Rules
Operation is subject to the following two conditions

(2) This device must accept  any interference, received.

(1) This device may not cause harmful interference, and

Including interference that may cause  undesired
operation.

Made in U.S.A.                                         XXXXXXXXX

FCC ID:B5DM525

IC: 1321A-XOAP
S.N.: 000003

6

7

9

8

10

(1) Microphone
Shield (-)

(2) Microphone
Audio (+)

(3) Headphone
High (+)

(4) Headphone
Low (-)

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