Hi Pavel how about the firmeware update ?

18 hours ago, CaolIla said:

Hi Pavel how about the firmeware update ?

The External TTL Converter has a special 6-pin connector for firmware update, shown in the picture below.

Updating usually means adding a new strobe profile (if new strobe appears on the market). User can update the firmware at the exhibition, or send the product to our office for update.

The strobes profiles existing in the current firmware are listed in the product page of UWTechnics website.

External TTL Converter has a rotary switch for the strobe profile selection (picture below), the same switch as on our Internal TTL boards.

But if the user needs to switch between different strobe profiles very frequently, he needs an internal TTL board (not External) with a quick access switch.

Edited August 3Aug 3 by Pavel Kolpakov

External TTL Converter is available in 7 versions of the thread:

• M16 Nauticam, Marelux;

• M24 Nauticam, Marelux, Sea&Sea, Aquatica, Seafrogs (aluminum), Isotta;

• 1.2"UNF20 Ikelite

• M16 Ikelite

• M16 Isotta

• M12 Seafrogs (polycarbonate)

• M14 Seafrogs (aluminum)

2 hours ago, Pavel Kolpakov said:

Updating usually means adding a new strobe profile (if new strobe appears on the market). User can update the firmware at the exhibition, or send the product to our office for update.

Exibition ?

Salon de la Plongée in Paris? probably not :(

Are the HHS and TTL compatible with the new Retra Max II ?

59 minutes ago, CaolIla said:

Are the HHS and TTL compatible with the new Retra Max II ?

Yes, TTL and HSS, both are compatible with Retra Pro MAX II.

Does this work with Ikeilte TTL strobes (shooting a Ninon D850) whats the retail on this?

On 8/10/2025 at 7:15 AM, Onokai said:

Does this work with Ikeilte TTL strobes (shooting a Ninon D850) whats the retail on this?

Classic Ikelite strobes have only electrical input controlled by a sync cord, If don't use any input adapters/converters.

Here we talk about Optical TTL/M/HSS Trigger. It works with strobes with optical input, by fiber optical cables. The list of supported strobes you can see in the product 18041-UNF-IK specifications on the UWTechnics website: uwtechnics.com

The new Ikelite strobe #40101 ("Ecko Fiber Underwater Strobe") can work with it, by fiber optical cable.

We are currently developing a combined version of the External converter with two outputs (optical and electrical) on the top. It will support strobes via fiber optic cable and via electrical sync cord (including, of course, Ikelite strobes).

Edited Monday at 10:12 AM1 day by Pavel Kolpakov