TM 11-5821-333-303-9. OPERATIONAL CHECK. ContinuedACTIONRESPONSEStep 3. KEYBOARD CHECKSa.b.c.d.e.f.g.h.i.Set uut FUNCTION switch to SQ ON.On uut, press FREQ and then CLR.On uut, press FREQ and then CLR. After thefive dashes appear, press 6.On uut, press FREQ and then CLR. After thefive dashes appear, press 6, 8.On uut, press FREQ and then CLR. After thefive dashes appear, press 3, 1, 2, 5, 0.On uut, press FREQ and then CLR. After thefive dashes appear, press 4, 9, 7.On uut, press FREQ, then CLR, thenlll / TIME.On uut, press FREQ and then CLR. After thefive dashes appear, press 3, 1, 2, 5, 0.On uut, press STO (Sto/ENT).a.b.c.d.e.f.g.h.i.No response.Response:If not, go to chart 14.Response:If not, go to chart 15.Response:If not, go to chart 16.Response:If not, keyboard is bad.Response:if not, keyboard is bad.Display shows number (00 to 99). If not,keyboard is bad.Response:If not, keyboard is bad.Display blinks then displays “31250”. Ifnot, keyboard is bad.3-10
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