Simrad Navico RS90S Blackbox VHF Operator Manual
![Simrad Navico RS90S Blackbox VHF Radio manual cover](/images/fBOkKyuSpQbyfmAOxaEZQxUg/thumbs/thumb175x175.webp)
To perform a factory reset on the RS90S, navigate to the 'Settings' menu, select 'System', then choose 'Factory Reset'. Confirm your selection to reset the radio to its default settings.
To update the firmware, download the latest firmware from the Simrad website onto a USB drive. Insert the USB drive into the radio's USB port and navigate to 'Settings' > 'System' > 'Software Update' to initiate the update process.
First, check all cable connections and ensure they are secure. Next, verify that the radio is powered on and the antenna is correctly installed. If issues persist, perform a factory reset and ensure the latest firmware is installed.
Yes, you can connect an external speaker to the RS90S. Locate the external speaker port at the back of the radio and connect your speaker using a compatible cable. Ensure the speaker is powered on and set to the correct input.
Ensure the microphone is securely connected and not muted. Check the channel settings and ensure you are on the correct channel. If the problem continues, perform a microphone test and inspect for physical damage.
Access the 'DSC' menu from the main settings, enter your MMSI (Maritime Mobile Service Identity) number, and configure your desired DSC settings such as group calling and individual calling preferences.
Regularly check and clean the radio's exterior with a soft cloth. Inspect and clean connectors, ensure the antenna is in good condition, and periodically test the radio's functions to ensure optimal performance.
To improve reception, ensure the antenna is properly installed and free from obstructions. Consider upgrading to a higher quality antenna and check for any local sources of interference that may affect signal quality.
To test the microphone, switch the radio to a working channel, press the Push-To-Talk (PTT) button, and speak into the microphone. Ensure the audio is clear and check with another radio to confirm the transmission is received.
To enable dual watch, access the 'Channel' menu and select 'Dual Watch'. Choose the primary and secondary channels you wish to monitor. The radio will alternate monitoring between these channels.