diff --git a/armsrc/fpgaloader.c b/armsrc/fpgaloader.c
index 03ddd7321..a24c98049 100644
--- a/armsrc/fpgaloader.c
+++ b/armsrc/fpgaloader.c
@@ -541,14 +541,13 @@ int FpgaGetCurrent() {
 // log message
 // if HF,  Disable SSC DMA
 // turn off trace and leds off.
-/*
+
 void switch_off() {	
 	if (MF_DBGLEVEL > 3) Dbprintf("switch_off");
 	FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
-	SpinDelay(100);
+	//SpinDelay(100);
 	if (downloaded_bitstream == FPGA_BITSTREAM_HF )
 		FpgaDisableSscDma();
 	set_tracing(false);
 	LEDsoff();	
 }
-*/
\ No newline at end of file
diff --git a/armsrc/fpgaloader.h b/armsrc/fpgaloader.h
index 38bbcaef4..ededa3579 100644
--- a/armsrc/fpgaloader.h
+++ b/armsrc/fpgaloader.h
@@ -32,7 +32,8 @@ int FpgaGetCurrent();
 #define FpgaEnableSscDma(void) AT91C_BASE_PDC_SSC->PDC_PTCR = AT91C_PDC_RXTEN;
 void SetAdcMuxFor(uint32_t whichGpio);
 
-//extern void switch_off();
+// extern and generel turn off the antenna method
+extern void switch_off();
 
 // definitions for multiple FPGA config files support
 #define FPGA_BITSTREAM_MAX 2	// the total number of FPGA bitstreams (configs)