MX800 Transceiver Technical Manual
© SPECTRA ENGINEERING 2006 Revision 4.2.3
vi
3.8.2
Installation ....................................................................31
3.9
T09 300Hz Upgrade HPF Filter.................................................32
3.9.1
Description....................................................................32
3.9.2
Installation ....................................................................33
3.10
T10 Power Save Mode...............................................................34
3.10.1 Description......................................................................34
3.10.2
Installation ....................................................................36
3.11
T11 Combined Options..............................................................37
3.12
T12 External Reference Oscillator Input....................................37
3.12.1
Description....................................................................37
3.12.2
Installation ....................................................................38
3.13
T13 Local Speaker, Mic Socket and Front Panel Mute..............40
3.13.1
Description....................................................................40
3.13.2
Installation ....................................................................41
3.14
T14 Local Channel Change........................................................44
3.14.1
Description....................................................................44
3.14.2
Installation ....................................................................44
3.15
T16 1PPM Frequency Stability..................................................46
3.16
U69 Extended Temperature Range Verification.......................46
3.17
T19/26 Line Interface Board......................................................47
3.17.1
Installation ....................................................................49
3.17.2
2Wire or 4Wire Selection, Balanced VF .......................51
3.17.3
VF Delay .......................................................................51
3.17.4
Variable & Stepped Tone Encoder................................52
3.17.5
Variable Tone Setup Procedure ....................................54
3.17.6
Status Tone Encoding And Decoding (T19 only) ..........55
3.17.7
Five Tone Encoded / Decoder.......................................57
3.17.8
DTMF Decoder .............................................................57
3.17.9
Remote Control Capabilities.........................................57
3.17.10
Fast CTCSS Decoder ....................................................57
3.17.11
T19/26 Pinouts ..............................................................58
3.17.12
T19/T26 Jumper Settings...............................................60
3.18
T29 Balanced and Isolated VF plus E&M .................................61
3.19
T31 Network Adapter.................................................................63
3.19.1
Optional Dongles ..........................................................64
3.19.2
U72 Dongle ...................................................................64
3.19.3
U73 Dongle with Digital IO Port Replicator................64
3.20
T34 Ethernet option...................................................................65
4.
Technical Description............................................................................66
4.1
Exciter Module...........................................................................66
4.2
Receiver Module ........................................................................67
4.3
Power Amplifier Module ...........................................................69