diff --git a/ChannelStore.pas b/ChannelStore.pas
index 55b87f2..09c5db9 100644
--- a/ChannelStore.pas
+++ b/ChannelStore.pas
@@ -12,6 +12,7 @@ uses
 
 const
   CHANNELS_FILE = 'channels.json';
+  CHANNEL_MODE_MAX = 11;  // LSB..DMR
 
 type
   TChannel = record
@@ -19,7 +20,7 @@ type
     Name:          string;
     RXFreq:        Double;    // Hz
     TXFreq:        Double;    // Hz
-    Mode:          Integer;   // 0=LSB 1=USB 2=DSB 3=CWL 4=CWU 5=FM 6=AM 7=SAM
+    Mode:          Integer;   // 0=LSB ... 10=WFM 11=DMR
     RptDir:        Integer;   // 0=none 1=minus 2=plus
     RptOffsetHz:   Double;    // Hz
     CTCSSOn:       Boolean;
@@ -206,7 +207,7 @@ begin
                 Ch.Name       := JS(O, 'name',       'Channel');
                 Ch.RXFreq     := JD(O, 'rx_freq',    145500000.0);
                 Ch.TXFreq     := JD(O, 'tx_freq',    145500000.0);
-                Ch.Mode       := EnsureRange(JI(O, 'mode',       5), 0, 7);
+                Ch.Mode       := EnsureRange(JI(O, 'mode',       5), 0, CHANNEL_MODE_MAX);
                 Ch.RptDir     := EnsureRange(JI(O, 'rpt_dir',    0), 0, 2);
                 Ch.RptOffsetHz:= JD(O, 'rpt_offset', 600000.0);
                 Ch.CTCSSOn    := JB(O, 'ctcss_on',   False);
diff --git a/Settings.pas b/Settings.pas
index 0163808..94c790f 100644
--- a/Settings.pas
+++ b/Settings.pas
@@ -12,6 +12,7 @@ const
   SETTINGS_FILE  = 'hpsdr_settings.json';
   CFG_BAND_COUNT = 12;
   CFG_XVTR_COUNT = 8;     // количество XVTR-слотов (трансверторов)
+  CFG_MODE_MAX   = 11;    // LSB..DMR; keep persisted-mode validation current
   CFG_PANS_MAX   = 4;     // потолок панадаптеров (пан 0 + доп.) — = WDSPEngine.MAX_PANS
   QO100_SLOT     = CFG_XVTR_COUNT - 1;  // последний слот зарезервирован под QO-100
                                         // (split-LO транспондер; настраивается на
@@ -1518,7 +1519,7 @@ begin
     X.Entries[i].RXAntenna  := EnsureRange(JI(EObj, 'rx_ant', X.Entries[i].RXAntenna), 0, 3);
     X.Entries[i].LastFreq         := JD(EObj, 'last_freq',      X.Entries[i].LastFreq);
     X.Entries[i].LastFreqB        := JD(EObj, 'last_freq_b',    X.Entries[i].LastFreqB);
-    X.Entries[i].LastMode         := EnsureRange(JI(EObj, 'last_mode', X.Entries[i].LastMode), 0, 7);
+    X.Entries[i].LastMode         := EnsureRange(JI(EObj, 'last_mode', X.Entries[i].LastMode), 0, CFG_MODE_MAX);
     X.Entries[i].LastFilterIdx    := EnsureRange(JI(EObj, 'last_filt', X.Entries[i].LastFilterIdx), 0, 9);
     X.Entries[i].LastFMSQOn       := JB(EObj, 'last_fmsq_on',  X.Entries[i].LastFMSQOn);
     X.Entries[i].LastFMSQLevel    := EnsureRange(JI(EObj, 'last_fmsq_lvl', X.Entries[i].LastFMSQLevel), 0, 100);