Note
QST, Nov 1966, p. 123.
QST, Apr 1967, p. 5.
Ameco catalog #5, 1967 (OCP, OM, listed as new)
QST, Jan 1968, p.5
QST, Nov 1968, p. 151.
QST, Jan 1969, p. 129.
QST, Jan 1970, p. 137.
73, Feb 1970, p. 17. (OCM)
QST, Jun 1986, p. 118 (OCM-2)
Type OK – CPO and monitor
Type OM – CPO only
Type OCP – speaker, tone control, monitor, headphone jack.
Type OCM – unknown features
MODEL OM
A combination code practice oscillator and CW monitor. Transistorized. Has a built-in speaker, tone control and headphone jack. The Monitor-Oscillator Switch allows operation as a CW RF Monitor without any connection to the transmitter. Contains two transistors and four diodes.
MODEL OCP
A solid-state code practice oscillator featuring a built-in speaker and two transistors. Tone control on front panel provides a variable pitch over a wide range. Headphones may be plugged into a jack on the front panel. The unit is housed in an attractive bakelite cabinet with a brushed silver front panel.
Variations: Kit or wired, with or without CW monitor.