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private static final int CHANNEL_PROOF_DEVICE_TYPE = 0x78;
    private static final int CHANNEL_PROOF_TRANSMISSION_TYPE = 0;
    
    private static final int CHANNEL_PROOF_PERIOD = 8070; // 1 Hz
    private static final int CHANNEL_PROOF_FREQUENCY = 57;
    
             channelId = new ChannelId(0, 
                        CHANNEL_PROOF_DEVICE_TYPE, CHANNEL_PROOF_TRANSMISSION_TYPE,true);
                
                try
                {
                    mAntChannel.setChannelEventHandler(mChannelEventCallback);
                    
                    mAntChannel.assign(channelType);
                   
                    mAntChannel.setChannelId(channelId);
                    mAntChannel.setPeriod(CHANNEL_PROOF_PERIOD);
                    mAntChannel.setRfFrequency(CHANNEL_PROOF_FREQUENCY);
                    //mAntChannel.setPeriod(8070);
                    //mAntChannel.setRfFrequency(57);
                    mAntChannel.open();
                    mIsOpen = true;