CommRadio CR-1a User Manual – Rev 1 Edition: 15 July 2015
4
3: Frequency Tuning Knob [T]
Description:
Rotary Encoder-15 increments
(no detents) per revolution
With push-in switch.
Primary Use:
Frequency Selection.
Secondary Use:
Push once to highlight frequency cursor.
Then, rotate to re-position frequency cursor.
Push again to exit.
4: Key-Pad Radio Controls:
[BAND]
Change Bands
[MODE]
AM-CW-LSB-USB-FM
[STEP]
Frequency Stepping
[MEM]
Frequency Save-Recall
[<]
Left Arrow-Selection
[>]
Right Arrow-Selection
[<] and [>]
positions the highlighted cursor as a default.
When
[BAND] [MODE] [STEP] or [MEM]
are pushed, then
[<] and [>]
are used for
associated selections by viewing the change on the display.
[LAST]:
Holding the
[<]
key will return the radio to the last frequency that was
maintained for at least 5 seconds prior to pushing the key. This allows a rapid return
to a prior frequency, regardless of band.
5. Headphone Socket:
3.5 mm (1/8”) female-stereo-socket. Conventionally wired for
typical ear-buds or headphones. Delivers: 40 mW into 16 Ohms. Use this output for
amplified speakers or sound-card interfaces.