On the rear of the unit, the DIP switches determine the frequency.
(in this case up is ‘on’ and down is ‘off’)
Binary switch positions
SWITCH POSITION FREQ SWITCH POSITION FREQ
1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10
1 1 1 1 1 1 1 1 0 1 640 1 1 1 1 0 1 1 1 0 1 648
1 1 0 1 0 1 1 1 0 1 650 1 0 1 1 1 0 1 1 0 1 657
1 1 1 0 1 0 1 1 0 1 660 1 1 0 1 0 0 1 1 0 1 666
1 1 0 0 0 0 1 1 0 1 670 1 0 0 1 1 1 0 1 0 1 675
1 1 1 1 0 1 0 1 0 1 680 1 1 1 0 0 1 0 1 0 1 684
1 1 0 1 1 0 0 1 0 1 690 1 0 1 0 1 0 0 1 0 1 693
1 1 1 0 0 0 0 1 0 1 700 1 1 0 0 0 0 0 1 0 1 702
1 1 0 0 1 1 1 0 0 1 710 1 0 0 0 1 1 1 0 0 1 711
1 1 1 1 1 0 1 0 0 1 720 1 1 1 1 1 0 1 0 0 1 720
1 0 1 1 0 0 1 0 0 1 729
1 1 0 1 0 0 1 0 0 1 730 1 1 0 1 1 1 0 0 0 1 738
1 1 1 0 1 1 0 0 0 1 740 1 0 0 1 0 1 0 0 0 1 747
1 1 0 0 0 1 0 0 0 1 750 1 1 1 0 1 0 0 0 0 1 756
1 1 1 1 0 0 0 0 0 1 760 1 0 1 0 0 0 0 0 0 1 765
1 1 0 1 1 1 1 1 1 0 770 1 1 0 0 1 1 1 1 1 0 774
1 1 1 0 0 1 1 1 1 0 780 1 0 0 0 0 1 1 1 1 0 783
1 1 0 0 1 0 1 1 1 0 790 1 1 1 1 0 0 1 1 1 0 792
1 1 1 1 1 1 0 1 1 0 800 1 0 1 1 1 1 0 1 1 0 801
1 1 0 1 0 1 0 1 1 0 810 1 1 0 1 0 1 0 1 1 0 810
1 0 0 1 1 0 0 1 1 0 819