AJAX DoubleButton User manual

Updated April 23, 2021
DoubleButton is a wireless hold-up device with advanced protection against
accidental presses. The device communicates with a hub via the encrypted
radio protocol and compatible only with Ajax security systems. The
line-of-sight communication range is up to 1300 meters. DoubleButton operates
from the pre-installed battery up to 5 years.
DoubleButton is connected and configured via on iOS, Android,
macOS, and Windows. Push notifications, SMS, and calls can notify about
alarms and events.

DoubleButton is a wireless hold-up device, featuring two tight buttons and a
plastic divider to protect against accidental presses. When pressed, it raises an
alarm (hold-up event), transmitted to users and to the security company’s
monitoring station.
An alarm can be raised by pressing both buttons: one-time short or long press
(more than 2 seconds). If only one of the buttons is pressed, the alarm signal is
not transmitted.
All DoubleButton alarms are recorded in the feed. The
short and long presses have different icons, but the event code sent to the
monitoring station, SMS, and push notifications do not depend on the pressing
1. Alarm activation buttons
2. LED indicators / plastic protective divider
3. Mounting hole

DoubleButton can only operate as a hold-up device. Setting the type of alarm is
not supported. Keep in mind that the device is active 24/7, so pressing the
DoubleButton will raise an alarm regardless of the security mode.
Only are available for DoubleButton. The control mode for
is not supported.
The Ajax security system can connect to the CMS and transmit alarms to the
monitoring station in and protocol formats.
The device is not compatible with , , and third party security
control panels.
Only users with administrator permissions can connect a device to a hub.
1. Install the . Create an . Add a hub to the app and create at
least one room.
2. Check if your hub is on and connected to the Internet (via Ethernet cable, Wi-
Fi, and/or mobile network). You can do this in the Ajax app or by looking at
the Ajax logo on the front panel of the hub. The logo should light with white
or green if the hub is connected to the network.
3. Check if the hub is not armed and does not update by reviewing its status in
the app.

To connect DoubleButton to a hub, it should be located on the same protected object as
the system (within the hub’s radio network range). If the connection fails, try again in 5
seconds.
DoubleButton can be connected to one hub only. When connected to a new hub,
the device stops sending commands to the old hub. Added to a new hub,
DoubleButton is not removed from the device list of the old hub. This must be
done manually in the Ajax app.
Updating the device statuses in the list occurs only when DoubleButton is pressed and
does not depend on the Jeweller settings.
The states screen contains information about the device and its current
parameters. Find the DoubleButton states in the Ajax app:
Parameter Value
1. Open the Ajax app. If your account has access to several hubs, select the
hub to which you want to connect the device.
2. Go to the Devices tab and click Add device.
3. Name the device, scan or enter the QR code (located on the package), select
a room and a group (if group mode is enabled).
4. Click Add— the countdown will begin.
5. Hold any of two buttons for 7 seconds. After adding DoubleButton, its LED
will flash green once. DoubleButton will appear in the list of hub devices in
the app.
1. Go to the Devices tab .
2. Select DoubleButton from the list.

Battery Charge
LED Brightness
Indicates the LED brightness level:
Works via *range extender name*
Indicates the status of the ReX range extender
use.
The field is not displayed if the device
communicates directly with a hub
Temporary Deactivation
Indicates the status of the device:
Firmware DoubleButton firmware version
ID Device ID
DoubleButton is set up in the Ajax app:
Battery discharged
Off — no indication
Low
Max
Active
Temporarily deactivated
1. Go to the Devices tab .
2. Select DoubleButton from the list.
3. Go to Settings by clicking on the icon.

Parameter Value
First field
Device name. Displayed in the list of all hub
devices, SMS, and notifications in the event
feed.
The name can contain up to 12 Cyrillic
characters or up to 24 Latin characters
Room
Selecting the virtual room to which
DoubleButton is assigned. The name of the
room is displayed in SMS and notifications in
the event feed
LED brightness
Adjusting LED brightness:
Alert with a siren if button is pressed
When enabled, the connected to your
security system signal about the button
pressing
User Guide Opens the DoubleButton user manual
Temporary Deactivation
Allows the user to disable the device without
removing it from the system. A temporarily
deactivated device will not raise an alarm when
pressed
Unpair Device Disconnects DoubleButton from a hub and
removes its settings
A DoubleButton alarm generates an event notification sent to the security
Off — no indication
Low
Max

To reduce the probability of false alarms, a security company can enable the
feature.
Note that the alarm confirmation is a separate event that does not cancel the
alarm transmission. Whether or not the feature is enabled, DoubleButton alarms
are sent to a CMS and to security system users.
DoubleButton blinks red and green to indicate command execution and battery

Pairing with a security system
The whole frame lights up
green for a few seconds
Connecting the device to a
security system
Command delivery indication
The frame part above the
pressed button lights up green
briefly
One of the buttons is pressed
and the command is delivered
to a hub.
When only one button is
pressed, DoubleButton does
not raise an alarm
The entire frame lights up
green briefly after press
Both buttons are pressed and
the command is delivered to a
hub
The entire frame lights up red
briefly after press
One or both buttons were
pressed and the command
was not delivered to a hub
Response Indication
(follows the Command
Delivery Indication)
The whole frame lights up
green for half a second after
the command delivery
indication
A hub received DoubleButton
command and raised an alarm
The whole frame lights up red
for half a second after the
command delivery indication
A hub received DoubleButton
command but did not raise an
alarm
Battery status indication
(follows Feedback Indication)
After the main indication, the
entire frame lights up red and
gradually goes out
The battery replacement is
required. DoubleButton
commands are delivered to a
hub
DoubleButton can be fixed on a surface or carried around.

To fix the device on a surface (e. g. under a table), use Holder.
To install the device in the holder:
1. Choose a location to install the holder.
2. Press the button to test whether the commands are delivered to a hub. If
not, choose another location or use the .
When routing DoubleButton through ReX, keep in mind that it does not automatically
switch between a range extender and a hub. You can assign DoubleButton to a hub
or another ReX in the Ajax app.
3. Fix Holder on the surface using the bundled screws or double-sided
adhesive tape.

Please note that Holder is sold separately.
The button is easy to carry around thanks to a special hole on its body. It can be
worn on the wrist or neck, or be hanged on a keyring.
DoubleButton has an IP55 protection index. Which means that the device body is
protected from dust and splashes. And a special protective divider, tight buttons,
and the need to press two buttons at once eliminate false alarms.

a specified time
.
By responding to confirmed alarms only
,
a security company
and police reduce the risk of unnecessary reacting.
Note that the alarm confirmation feature does not disable the alarm
transmission. Whether or not the feature is enabled, DoubleButton alarms are
sent to a CMS and to security system users.
To raise a confirmed alarm (hold-up event) with the same device, you need to
perform any of these to actions:
1. Hold both buttons simultaneously for 2 seconds, release, and then press
both buttons again briefly.
2. Simultaneously press both buttons briefly, release, and then hold both
buttons for 2 seconds.

When cleaning the device body, use products suitable for technical
maintenance. Do not use substances containing alcohol, acetone, gasoline, or
other active solvents to clean DoubleButton.
The pre-installed battery provides up to 5 years of operation, considering one
pressing per day. More frequent use may decrease battery life. You can check
the battery status at any time in the Ajax app.
Keep new and used batteries away from children. Do not ingest battery, Chemical Burn
Hazard.
If DoubleButton cools down up to -10°C and below, the battery charge indicator

Number of buttons 2
LED indicating command delivery Available
Protection against accidental press
Frequency band 868.0 – 868.6 MHz or 868.7 – 869.2 MHz,
depending on the sales region
Compatibility Operates only with and
on OS Malevich 2.10 and higher
Maximum radio signal power Up to 20 mW
Radio signal modulation GFSK
Radio signal range Up to 1,300 m (line-of-sight)
Power supply 1 CR2032 battery, 3 V
Battery life Up to 5 years (depending on the frequency of
use)
Protection class IP55
Operating temperature range From −10°Сto +40°С
Operating humidity Up to 75%
Dimensions 47 × 35 × 16 mm
Weight 17 g
To raise an alarm, press 2 buttons
simultaneously
Protective plastic divider

The warranty for the AJAX SYSTEMS MANUFACTURING Limited Liability
Company products is valid for 2 years after purchase and does not extend to the
bundled battery.
If the device does not function properly, we recommend that you first contact the
support service as technical issues can be resolved remotely in half of the
cases!
Technical support:
3
.
Quick Start Guide