FirstFiber.cn

Currently, we have these languages for customer choice when they place order,

First of all, we do not suggest users to upgrade their OTDR by themselves without negotiating with us, because we change hardware occasionally according to market supply. If any problems happen, please contact us in advace and describe the problems to our engineers. They will generate particular upgrade package for your OTDR if they think it is software (or firmware) problems. After you get the upgrade package, follow these steps to upgrade your OTDR, 

I received 2 photos. One is OTDR testing with no cable, the other is connected to cable. Then test stopped with the message, means “ there are light, test stop”. Then the cable is not live cable.

For some 980MAS OTDRs which is installed Korean language, some functions can not be controlled by physical buttons, but you still can use the OTDR as normal by touch screen. To solve the physical button problem, please download the new firmware and upgrade your OTDR by following steps,

The manufacturer FirstFiber Technologies help customers create their own OTDRs with their OTDR core processing coding and powerful hardware design ability. They also sell their own OTDRs, the top 6 are listed as following,

1. FF-980REV (Mini Pro, 9-in-1)
2. FF-980EXP (All-in-1, 12-in-1)
3. FF-980MAS (Enhanced OTDR, 12-in-1)
4. FF-980EXT (new Enhanced OTDR, 9-in-1)
5. 8000MAX (High Accurate OTDR)
6. 990PRO (Standard OTDR, Splitter OTDR for Choice)