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Page Title:
Chapter 2. OPERATING INSTRUCTIONS |
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 TM 55-6605-263-14&P
CHAPTER 2
OPERATING INSTRUCTIONS
Section I. DESCRIPTION AND USE OF CONTROLS AND INDICATORS
2-1. SCOPE. This chapter contains operator controls and indicators and operating procedures for the RMHS Reference
Gyro Set. See figure 1-2, 1-4 and 2-1.
2-2. OPERATOR CONTROLS AND INDICATORS.
Table 2-1. Control Panel Assembly, Operator Controls and Indicators
Control or Indicator
Function
On-Off Polarity Switch.......................................................................................... Checks Input Polarity; Turns Unit
On-Off
Circuit Breaker ..................................................................................................... Overload Protection; Cuts Power
Off
Drift Bias Adj. Potentiometer ............................................................................... Adj. dc Drift Bias in Gyro
Voltmeter ............................................................................................................ Indicates Applied Drift Bias
Voltage
Correct Polarity Lamp ......................................................................................... Indicates Proper dc (-)(+)
Connection (Green Lamp)
Incorrect Polarity Lamp ........................................................................................ Indicates Improper dc (-)(+)
Connections (amber Lamp)
Power Lamp ......................................................................................................... Indicates 28 Vdc Applied to Unit
(Red Lamp)
Table 2-2. Directional Gyro CN-998B/ASN-43, Operator Controls and Indicators
Control or Indicator
Function
Latitude Rotary Switch ......................................................................................... Sets Gyro Northern/Southern
Hemisphere
Latitude Potentiometer ......................................................................................... Sets Local Latitude Correction
in Gyro
Table 2-3. Angle Position Indicator, Operator Controls and Indicators
Control or Indicator
Function
Digital Display Indicator........................................................................................ Indicates Heading in Degrees and
Minutes
On-Off Power Switch............................................................................................ Turns Unit On-Off (Red Lamp)
2-1
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