The reference to retired "Detective Gannon" is most likely a semi-joking nod to a character on another police TV series set in L.A., "Dragnet 1967 (1967) Detective Sgt. Bill Gannon, who was portrayed by Harry Morgan.
In the opening scene one can observe the Motorola Mobile Data Terminal Model Number 9100-11. The following list the acronyms and abbreviations on the machine:
- C-7 - Code 7 or Meal break
- ACK - Acknowledge
- C-6 - Code 6 or Coffee Break
- 10-97 - Arriving at Assignment
- CH - Channel
- 10-43 - Need a Doctor
- 10-8 - In Service
- DISPO - Disposition
- 924H - Hospital
- 968 - Request record check of a person
- 961 - Take a report/ Car stop.
- OBS - Observed
- SP SAVE - ScratchPad Save
- SP RCL - Scratchpad ReCaLl
- STA LN - STAtus LiNE
- FM CLR - ForM CLeaR
- OPON - OPerator (End-User) sign-ON
- OPOFF- OPerator sign-OFF
- CHL - Concealed Handgun License
- MCAPS - Missing Children Apprehension Program
- CDL - California Driver's License
- PROP - PROPerty
- ALOC- ALlOCate