public void CBTT1()
        {
            Subsystem ss = new Subsystem(Subsystem.SUB_600KHZ_VERT_PISTON_B, 1);
            AdcpSubsystemCommands ssc = new AdcpSubsystemCommands(new SubsystemConfiguration(ss, 4, 0));
            ssc.CBTT_SNRShallowDetectionThresh = 0.001f;
            ssc.CBTT_DepthSNR = 0.002f;
            ssc.CBTT_SNRDeepDetectionThresh = 0.003f;
            ssc.CBTT_DepthGain = 0.004f;

            Assert.AreEqual("CBTT[4] 0.001,0.002,0.003,0.004", ssc.CBTT_CmdStr(), "CBTT Cmd Str is incorrect.");
        }