SPECIFICATIONS
Error of current heading, relative bearing of radio beacon         
and selected heading .....±1° max
Error of distance counter:
                                 - 0-25 km ..... ±1 km max
                                 - 25-999 km ..... ±3 km max
 Slaving rate of pointers of:
                                - current heading  ..... 30 °/sec
                                - relative bearing of radio beacon ..... 60 °/sec
                                - selected heading ..... 40 °/sec
                                - distance ..... 15 km/sec
Readiness time .....  1 min max
Weight  ..... 2,3kg max