Raytheon Standard 22 Compact Operator's Manual page 10

Quick Settling operator unit (Option)
This function can be used to reduce the time between switching on the compass and
indicating (outputting) a valid heading value to one hour (with a precision of +/--3).
In the STD 22 Compact this function is activated from the
QS Operator Unit (130-606 NG001); in the STD22 this function is activated from the
Operator Unit (130--626).
The Compact STD 22 gyro compass consists of
-- the 110--233 NG002 gyro compass
-- the 111--006 gyrosphere
Optional features:
-- QS Operator Unit, 130 -- 606
-- AC/DC converter, 121--062
-- Additional Output Box,146--103
The Speed Error Correction function is available only when a GPS or Pulse Log is
connected.
The output interfaces on the STD 22 Compact are as follows:
-- Heading (corrected -- SEC) as NMEA or course bus
-- Status signals (alerts, error messages)
Optional via the Additional Output Box box:
-- NMEA superfast (50Hz)
-- Step (6 steps/degree)
-- SSC
The input interfaces on the STD 22 Compact are as follows:
-- NMEA Position
-- NMEA Speed
-- Pulse Log Direction
-- Pulse Log
4201.DOC010102
Operator Manual
Compass Standard 22
and
Standard 22 Compact
Status signals or pulses
4
Edition: February 2015