* status cmds:
* 1 - Force ID (global)
* 2 - Give Time of Day (global)
* 3 - Give software Version (global)
* 4 - Give GPS location info
* 5 - Last (dtmf) user
* 11 - Force ID (local only)
* 12 - Give Time of Day (local only)
* cop (control operator) cmds:
*
* 1 - System warm boot
* 2 - System enable
* 3 - System disable
* 4 - Test Tone On/Off
* 5 - Dump System Variables on Console (debug)
* 6 - PTT (phone mode only)
* 7 - Time out timer enable
* 8 - Time out timer disable
* 9 - Autopatch enable
* 10 - Autopatch disable
* 11 - Link enable
* 12 - Link disable
* 13 - Query System State
* 14 - Change System State
* 15 - Scheduler Enable
* 16 - Scheduler Disable
* 17 - User functions (time, id, etc) enable
* 18 - User functions (time, id, etc) disable
* 19 - Select alternate hang timer
* 20 - Select standard hang timer
* 21 - Enable Parrot Mode
* 22 - Disable Parrot Mode
* 23 - Birdbath (Current Parrot Cleanup/Flush)
* 24 - Flush all telemetry
* 25 - Query last node un-keyed
* 26 - Query all nodes keyed/unkeyed
* 27 - Reset DAQ minimum on a pin
* 28 - Reset DAQ maximum on a pin
* 30 - Recall Memory Setting in Attached Xcvr
* 31 - Channel Selector for Parallel Programmed Xcvr
* 32 - Touchtone pad test: command + Digit string + # to playback all digits pressed
* 33 - Local Telemetry Output Enable
* 34 - Local Telemetry Output Disable
* 35 - Local Telemetry Output on Demand
* 36 - Foreign Link Local Output Path Enable
* 37 - Foreign Link Local Output Path Disable
* 38 - Foreign Link Local Output Path Follows Local Telemetry
* 39 - Foreign Link Local Output Path on Demand
* 42 - Echolink announce node # only
* 43 - Echolink announce node Callsign only
* 44 - Echolink announce node # & Callsign
* 45 - Link Activity timer enable
* 46 - Link Activity timer disable
* 47 - Reset "Link Config Changed" Flag
* 48 - Send Page Tone (Tone specs separated by parenthesis)
* 49 - Disable incoming connections (control state noice)
* 50 - Enable incoming connections (control state noicd)
* 51 - Enable sleep mode
* 52 - Disable sleep mode
* 53 - Wake up from sleep
* 54 - Go to sleep
* 55 - Parrot Once if parrot mode is disabled
* 56 - Rx CTCSS Enable
* 57 - Rx CTCSS Disable
* 58 - Tx CTCSS On Input only Enable
* 59 - Tx CTCSS On Input only Disable
* 60 - Send MDC-1200 Burst (cop,60,type,UnitID[,DestID,SubCode])
* Type is 'I' for PttID, 'E' for Emergency, and 'C' for Call
* (SelCall or Alert), or 'SX' for STS (ststus), where X is 0-F.
* DestID and subcode are only specified for the 'C' type message.
* UnitID is the local systems UnitID. DestID is the MDC1200 ID of
* the radio being called, and the subcodes are as follows:
* Subcode '8205' is Voice Selective Call for Spectra ('Call')
* Subcode '8015' is Voice Selective Call for Maxtrac ('SC') or
* Astro-Saber('Call')
* Subcode '810D' is Call Alert (like Maxtrac 'CA')
* 61 - Send Message to USB to control GPIO pins (cop,61,GPIO1=0[,GPIO4=1].....)
* 62 - Send Message to USB to control GPIO pins, quietly (cop,61,GPIO1=0[,GPIO4=1].....)
* 63 - Send pre-configred APRSTT notification (cop,63,CALL[,OVERLAYCHR])
*
*
* ilink cmds:
*
* 1 - Disconnect specified link
* 2 - Connect specified link -- monitor only
* 3 - Connect specified link -- tranceive
* 4 - Enter command mode on specified link
* 5 - System status
* 6 - Disconnect all links
* 7 - Last Node to Key Up
* 8 - Connect specified link -- local monitor only
* 9 - Send Text Message (9,,Message Text, etc.
* 10 - Disconnect all RANGER links (except permalinks)
* 11 - Disconnect a previously permanently connected link
* 12 - Permanently connect specified link -- monitor only
* 13 - Permanently connect specified link -- tranceive
* 15 - Full system status (all nodes)
* 16 - Reconnect links disconnected with "disconnect all links"
* 17 - MDC test (for diag purposes)
* 18 - Permanently Connect specified link -- local monitor only
* 200 thru 215 - (Send DTMF 0-9,*,#,A-D) (200=0, 201=1, 210=*, etc)
