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What’s Included:

Smoke X4 Receiver, Batteries (Installed), neck lanyard, and this 
instruction card. 

How to Operate:

•  To power Smoke X4 Receiver on, press the        button.  
•  To activate backlight, press the        button.  
•  To power Smoke X4 Receiver off, press and hold        for 3 

seconds.

•  To change volume level, press  VOL button.
•  To mute an alarm, press any button.

How to sync:

•  With Smoke X4 powered on, press and hold the         button 

for 5 seconds until “SYNC” appears on the screen.

•  Now that Smoke X4 is in SYNC mode, make sure Smoke X4 

Receiver is powered on.

•  Press and hold the VOL button for 5 seconds on Smoke 

X4 Receiver. The display should read “SYNC” for a short 
amount of time.

•  Both Smoke X4 and Smoke X4 Receiver will beep and 

return to normal functionality signaling a successful pairing.

NOTE:

 To sync multiple Smoke X4 Receivers to one base, 

please follow the steps above on one Smoke X4 Receiver at 
a time. Putting Smoke X4 into Sync mode will not disable or 
interfere with previously synced Smoke X4 Receivers.

Go to www.thermoworks.com/smokex for additional product 

information and more tips for use.

Smoke X4

 Receiver 

Operating Instructions

This device complies with part 15 of the FCC Rules. Operation is subject 
to the following two conditions: (1) this device may not cause harmful 
interference, and (2) this device must accept any interference received, 
including interference that may cause undesired operation. 

Special Notice

Changes or modifications not expressly approved by the party 
responsible for compliance could void the user’s authority to operate 
the equipment.

NOTE: This equipment has been tested and found to comply with 
the limits for a Class B digital device, pursuant to part 15 of the FCC 
Rules. These limits are designed to provide reasonable protection 
against harmful interference in a residential installation. This equipment 
generates, uses and can radiate radio frequency energy and, if not 
installed and used in accordance with the instructions, may cause 
harmful interference to radio communications. However, there is no 
guarantee that interference will not occur in a particular installation. 
If this equipment does cause harmful interference to radio or television 
reception, which can be determined by turning the equipment off and 
on, the user is encouraged to try to correct the interference by one or 
more of the following measures:

• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to    
   which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.

P-18-09-02-b

www.thermoworks.com 

741 E. Utah Valley Dr.

American Fork, UT 84003

For service or warranty:

1-800-393-6434

1-801-756-7705

[email protected]

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