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  1 NGA protocol same as Augusta and MiniSmart II
  2 All Spectrum Pro tamper problem is similar to United Airline's. It is a hardware design issue (TS-18955)
  3 There are 2 chips in the Spectrum Pro. Back LED flashing red means they can't communicate with each other. This is a firmware issue that has been fixed. Tamper unit's LED is solid yellow and red.
  4 To pair SPTP with L100 in uDemo, send 76 38 cmd (entire cmd: 02 05 00 76 46 38 00 00 08 F4 03)
  5 Host communicates with and injects the data key (TG3) to MAXQ, there is a internal MSR key that MAXQ uses to communicates with TM3, this key is loaded by the Production TS and can be re-loaded via cmd
  6 Send 72 46 25 00 00 to poll the SPTP reader to get the key status
  7 Set AID command "72 46 01 03"
  8 There are two chips in SPTP.

 MAXQ and TM3 chip.

 The encrytion key between the host and MAXQ is the data key injected via TG3, and the key between the MAXQ and the TM3 chip is the internal MSR key loaded by the productin TS. And it can be re-load by CMD.
  9 There are 2 chips in the Spectrum Pro.

 Flashing red LED on the back means they can't communicate with each other.

 This is a firmware issue that has been fixed.

 Tamper LED is on solid yellow and red.(TS-18955)

false