def METHOD_NAME():
    # wait 30s for device steady
    time.sleep(30)
    errcnt = 0
    msg = ""
    for item in MAC_DEFAULT_PARAM:
        status, log = doAvsCtrol(item)
        if status is False:
            errcnt += 1
            msg += log
    if errcnt == 0:
        avsinfo("%%AVSCONTROL success")
        sys.exit(0)
    avserror("%%DEV_MONITOR-AVS: MAC Voltage adjust failed.")
    avserror("%%DEV_MONITOR-AVS: errmsg: %s" % msg)
    sys.exit(1)