TM 11-66-1866-12
Control, Indicator, or Connector
Function
Sw Pos
Connection
OUT ..............................
Disconnects filter from circuit.
TRANSITION
(10-position rotary switch)
ALL................................
Permits analysis of all transitions.
1 through 9 ....................
Selects an individual transition in a character for analysis
DISTORTION
(6-position rotary switch)
AVG BIAS S/M..............
Permits analysis of average distortion on space-to-mark transitions.
AVG END M/S ..............
Permits analysis of average distortion on, mark-to-space transitions.
PEAK TOTAL ...............
Permits analysis of total peak distortion.
PEAK EARLY................
Permits analysis of early peak distortion.
PEAK LATE ..................
Permits analysis of late peak distortion.
BAUD RATE
(14-position rotary switch)
37.5 through 9600 .........
Selects any one of 12 baud rates plus a spare.
EXT (220X) ...................
Permits use of external timing at 200 times desired baud speed.
CLOCK
(indicator lamp)
Lights when internal or external 200X oscillator fails.
ALARM
(8-position toggle switch,
RESET ..........................
Resets audible and visual alarm circuit to normal.
Monentary RESET)
ON.................................
Allows audible and visual alarm circuit to operate.
DISABLE.......................
Disables audible and visual alarm circuit.
Tip .................................
HIZ and VCAL input circuits.
Sleeve............................
HIZ and VCAL return.
SERIES
Tip .................................
60N, 20N, 20P, 30P and ICAL input circuits.
Sleeve............................
60N, 20N, 20P, 30P and ICAL return.
3-4.
Oscilloscope Front Panel Controls and Indicators
(fig. 34)
Control, Indicator, or Connector
Function
Sw Pos
Connection
VERTICAL VOLTS (MA)/CM
(6-position rotary switch)
2, 5, 10, 20, 50, 200
Permits selection of vertical deflection sensitivity for voltage or current for
Caution: Do not apply 200 ma current
VOLTS ONLY
CRT display on all ranges except 200, where only voltage is displayed.
at 200 (volts only) setting.
Series input circuits limited
to 100 ma.
Figure 3-2. TS-2862/GGM-15 (V), controls and indicators.
3-4
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