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Tell us what you need: help with a product, a repair or return, firmware or software, a manual, or a sales question. The more you include, the faster we can help.

Please include: the product, its serial number and firmware version if you know them, your station or company, a phone number, and what you expected, what happened instead, and what you've tried.

What happens next

1. Your ticket goes to our support staff with everything you entered.
2. We answer by e-mail. We try to reply within a few hours.
3. No reply within 24 hours? Assume it was lost and call 352-335-6555 or 352-231-7203.

Prefer e-mail? Write to support@circuitwerkes.com with the same details. Sending something back? Read the return policy (PDF) first.

Manuals, firmware and software

Grouped the same way as the product line. Older models and earlier versions are on the Legacy manuals page.

Web remote control & audio monitoring

SiteSentry4, four-channel web remote control and site monitor

• SiteSentry4 technical manual (PDF)
• 32-bit universal firmware and loader (ZIP). Version 1.8.5 for 32-bit SiteSentry2, SiteSentry4 and WAM-2 units. Pick the file that matches your hardware.
• 32-bit upgrade instructions (Page)
• 8-bit firmware v1.5.9 (ZIP). For non-streaming units. Released August 1, 2014. Loader included.
• 8-bit upgrade instructions (Page)
• 8-bit firmware loader for Windows (EXE). The same loader serves non-streaming SiteSentry2, SiteSentry4 and WAM-2 units.
• Net Scanner for Windows (EXE). Finds CircuitWerkes web devices on your network. Install and run it as administrator.

SiteSentry2, two-channel web remote control

• SiteSentry2 technical manual (PDF). For version 2 boards.
• 8-bit firmware v1.5.9 (ZIP). For non-streaming units; not for version 1.xx boards.
• 32-bit universal firmware and loader (ZIP). Version 1.8.5 for 32-bit SiteSentry2, SiteSentry4 and WAM-2 units. Pick the file that matches your hardware.
• 32-bit upgrade instructions (Page)
• 8-bit upgrade instructions (Page)
• 8-bit firmware loader for Windows (EXE). The same loader serves non-streaming SiteSentry2, SiteSentry4 and WAM-2 units.
• SiteSentry2 version 1.xx manual (PDF). Older boards only.
• Multi-site software 1.15 (EXE). For version 1.xx boards only; it does not work with version 2.
• Temperature sensor instructions (PDF). External temperature board for the Sicon-8 and SiteSentry2.
• Net Scanner for Windows (EXE). Finds CircuitWerkes web devices on your network. Install and run it as administrator.

WAM-2, two-channel web audio monitor

• WAM-2 technical manual (PDF)
• 8-bit firmware (ZIP). For non-streaming units.
• 32-bit universal firmware and loader (ZIP). Version 1.8.5 for 32-bit SiteSentry2, SiteSentry4 and WAM-2 units. Pick the file that matches your hardware.
• 32-bit upgrade instructions (Page)
• 8-bit upgrade instructions (Page)
• 8-bit firmware loader for Windows (EXE). The same loader serves non-streaming SiteSentry2, SiteSentry4 and WAM-2 units.
• Net Scanner for Windows (EXE). Finds CircuitWerkes web devices on your network. Install and run it as administrator.

WAM-6, six-channel web audio monitor

• Call 352-335-6555 or e-mail support@circuitwerkes.com for the manual.

Dial-up remote control

Sicon-8, talking web and dial-up remote control

• Sicon-8 manual (PDF)
• Quick start: connecting Sicontroller to the Sicon-8 (PDF)
• Sicontroller software for Windows (Page)
• Script examples for Sicontroller (ZIP). Complex operations using the Sicon-8 with Sicontroller.
• Sicon-8 firmware (Page). Main firmware update through the bootloader.
• Webserver32 technical addendum (PDF). For the 32-bit web server hardware.
• Webserver32 firmware (Page). Needs main firmware 1.75 or later.
• USB update and driver (Page)
• Default event schedule with 4-hour logging (ZIP)
• Comparison chart (PDF)
• Detailed data sheet (PDF)
• Temperature sensor instructions (PDF). External temperature board for the Sicon-8 and SiteSentry2.

DR-10, dial-up remote control with audio pass-through

• DR-10 manual (PDF). For firmware 1.3, the current version.
• Manual for older DR-10s (PDF)
• Data sheet (PDF)
• Silencer option manual (PDF). For the DR-10 and DS-8.
• Adding a CP-1 to a DR-10 (PDF). Retrofit instructions.
• Hookup diagram: a caller on the air (PDF). The simplest, most universal way, not the best for every plant.
• Simplified telco-to-air diagram (PDF). For the DR-10 or TAC-5.

TAC-5, telephone remote broadcast coupler with touch-tone control

• TAC-5 manual (PDF)
• Simplified telco-to-air diagram (PDF). For the DR-10 or TAC-5.

DT-232, dial-up remote control and touch-tone to serial converter

• DT-232 manual (PDF)
• DT-232 software for Windows (EXE). Needs firmware 7.00 or later. If the installer reports a corrupt setup package, the download was incomplete: save it again and check it is at least 1.8 MB.
• Data sheet (PDF)

Telephone & remote broadcast

AC-12, twelve-line autocoupler frame

• AC-12 manual (PDF). For units shipped December 2001 to now.
• Data sheet (PDF)
• Adding a CP-1 to an AC-1 (PDF). Retrofit instructions.

HC-3, hybrid telephone autocoupler

• HC-3 manual (PDF)
• HC-3 with ComboLok option (PDF). Password-security version.
• Data sheet (PDF)
• Adding a CP-1 to an HC-3 (PDF). Retrofit instructions.

MicTel, mic and line to telephone field amplifier

• MicTel version 5.0 manual (PDF). Built April 2006 or later, 13 jumpers.
• MicTel version 4.0 manual (PDF). Built before April 2006, 7 jumpers.
• Data sheet (PDF)

TelTap, manual telephone coupler and line tap

• TelTap instructions (PDF)
• TelTap version 1.0 manual (PDF). Sold 2003 to mid-2005.

Telco-6, six-line telephone ring detector

• Telco-6 manual (PDF)
• Data sheet (PDF)

CP-2, stand-alone call progress decoder

• CP-2 manual (PDF)
• Data sheet (PDF)

CP-1, call progress decoder board

• CP-1 manual (PDF)
• Adding a CP-1 to an HC-3 (PDF)
• Adding a CP-1 to an AC-1 (PDF)
• Adding a CP-1 to a DR-10 (PDF)
• Adding a CP-1 to a TeleRadio (PDF)

Touch-tone (DTMF)

DTMF-16, programmable touch-tone decoder

• DTMF-16 manual (PDF). For the DTMF-16d and 16e.
• DTMF-16C manual (PDF). For the earlier DTMF-16C.
• Silencer option manual (PDF). For the DTMF-16.
• Data sheet (PDF)

DS-8, touch-tone sequence decoder

• DS-8e manual (PDF)
• DS-8c manual (PDF). For the older DS-8c.
• Silencer option manual (PDF). For the DR-10 and DS-8.
• Data sheet (PDF)

GENr8, touch-tone generator

• GENr8 manual (PDF)
• GENr8r 1.3.12 for Windows (ZIP). For firmware 5.0.
• GENr8r for firmware 4.0 (ZIP)
• GENr8r 1.0 (ZIP). The original version.
• Data sheet (PDF)

Silencer II, stand-alone touch-tone mute

• Silencer II manual (PDF)
• Data sheet (PDF)

Silencer-3, stereo digital touch-tone mute

• Silencer-3 quick setup guide (PDF)

Subaudible cue tones

SUB-03, subaudible tone decoder

• SUB-03f manual (PDF). The 2003 redesign onward.
• Data sheet (PDF)

SEN-6, subaudible tone encoder

• SEN-6 manual (PDF)
• Data sheet (PDF)

Relays, closures & data

REX, relay expander

• REX manual (PDF)
• Data sheet (PDF)

pREX, programmable relay expander

• pREX manual (PDF)
• Configuration Manager (ZIP). Needs Microsoft .NET 1.1. Unzip into a new folder and run setup.exe from there.
• Configuration Manager without .NET (EXE). Not every function is enabled.
• Data sheet (PDF)

Transcon-16, bidirectional contact closure transporter

• Transcon-16 manual (PDF)

DC-232D, 9600-baud serial data delay

• DC-232D quick setup guide (PDF)

Accessories and discontinued products

Temperature sensor, external board for the Sicon-8 and SiteSentry2

• Temperature sensor instructions (PDF)

Silence Sentinal, web audio monitor. Replaced by the WAM-2.

• Silence Sentinal manual (PDF)
• Multi-site manager software (EXE)
• Older WebSS software (ZIP). 1.3.15 for firmware 1.7-Alpha; 1.3.10 for firmware 1.4 and older.

EAS-4, eNDEC controller. No replacement. Endec is a trademark of Sage Alerting Systems, Inc.; CircuitWerkes is not affiliated with Sage.

• EAS-4 manual (PDF)
• Data sheet (PDF)

SRE-16 and SRD-16, closure-to-serial encoder and decoder

• Technical manual (PDF)

Test tones and hookup help

• SUB-03 test sequence (WAV). 25 Hz, 35 Hz and combo tones for testing the SUB-03.
• Touch-tone test file (WAV). Touch-tones 1 through 0 and A through D, for testing and programming the DTMF-16, DS-8 and DR-10.
• Put a caller on the air with a DR-10 (PDF). The simplest and most universal hookup. Not the best for every plant, and other designs can be added to it.
• Simplified telco-to-air diagram (PDF). For the DR-10 or TAC-5. The TAC-5's single DPDT relay switches balanced mono or unbalanced stereo; both are shown. Read the notes at the bottom left.
• Audio connections primer (PDF). One page on balanced and unbalanced audio and TRS jacks.

More notes on these files are on the Test tones page.

Older products and policies

• Legacy manuals: out-of-production models such as the AC-2, AC-3 and early AC-12, and earlier versions of current products.
• Gentner manuals: courtesy copies for former Gentner owners. We don't sell or service Gentner products.
• Return policy (PDF).
• Price list: U.S. list prices.

If a manual you need isn't listed, or you find a problem with one, e-mail support@circuitwerkes.com and we'll take care of it.