Use general meter reader to get SWR value for TS-990.

rigs/kenwood/kenwood.c

@@ -1100,15 +1100,6 @@ int kenwood_open(RIG *rig)
     // mismatched IDs can still be tested
     rig->state.rigport.retry = retry_save;
 
-
-    // TS-990S needs to ensure all RM meters are turned off as first one with read on gets read
-    // Any RM commands need to be ON/READ/OFF to allow other apps or threads to read meters
-
-    if (RIG_IS_TS990S)
-    {
-        kenwood_transaction(rig, "RM10;RM20;RM30;RM40;RM50;RM60;", NULL, 0);
-    }
-
     RETURNFUNC(RIG_OK);
 }
 

rigs/kenwood/ts990s.c

@@ -647,16 +647,12 @@ int ts990s_get_level(RIG *rig, vfo_t vfo, setting_t level, value_t *val)
         break;
 
     case RIG_LEVEL_SWR:
-        // we need to turn on read, read it, and turn it off again
+        retval = get_kenwood_meter_reading(rig, '2', &lvl);
-        // first RM meter with read on is the that gets read with RM;
-        retval = kenwood_safe_transaction(rig, "RM21;RM;RM20", lvlbuf, sizeof(lvlbuf), 8);
-
         if (retval != RIG_OK)
         {
             return retval;
         }
 
-        sscanf(lvlbuf, "RM2%d", &lvl);
         val->f = rig_raw2val_float(lvl, &rig->caps->swr_cal);
         val->f = round(val->f*10)/10.0;  // 1 decimal place precision 
         break;