Note
Ham Radio, Jan 1971 p. 64.
QST, May 1971, p. 120.
QST, Sep 1971, p. 128.
QST, Jul 1973, p. 175.
QST, Apr 1974, p. 175. (good photo)
QST, Jul 1975, p. 183.
QST, Apr 1976, p. 84.
Features both standard shifts with autostart and anti-space. An additional feature is the inclusion of meter-switching to allow use of the meter for both a tuning indication and to indicate loop current. Available in rack-mounted or table-top configurations.
The top and bottom panels of the cabinet are removable for access to the circuits boards and other components. Factory tuned circuits are aligned with an electronic counter to a tolerance of 5 Hz for the 850-Hz shift and 3 Hz for the 170-Hz shift. All adjustments are preset at the factory and all modes and features of each unit are tested in actual operation, receiving and printing RTTY signals.
References
Trouble shooting. Ham Radio, Feb 1971, p. 50.
Brief description. Ham Radio, Sep 1971, p. 66.
