RE: timer volume?
Hi Malcolm,
Unfortunately, no, there is no way to increase the volume level on your 9C or any other Futaba transmitter othen than the new 14MZ.
I hope you find this information helpful. You can also reach our Futaba support technical team at 217-398-8970, or via fax at 217-398-7721.
Sincerely,
Krysta
Lead Futaba Customer Service and Programming Technician