Indication of pulse rate of dials; indication of dial speed
Operating Test Capability
Indicator, pulse range 8 and 11, 11 and 13 pps, readajustment range limits 9-1/2 and 10-1/2, 11 and 13 pps, panel type pulse range test limits 16 and 20 pps 8 and 13 pps, panel type readjustment range limit 17 and 19 pps 9-1/2 and 10-1/2 pps