is the display on the ctl 22c and ctl 22 similar??
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CTL-22C
FEATURES
- Digital Display Communications Control with 8.33 khz spacing designed for use with Pro Line II communications transceivers such as VHF-21C, VHF-21D, VHF-22C and VHF-22D
- Can be direct replacement for CTL-22 w/ minor wiring change
- Serial tune control unit
- Provides active and preset frequency display
- Six frequency memory storage beside active and preset frequency
- Squelch control (SQ OFF)
- Models available with black or gray bezel
When the CTL-22 is replaced with the CTL-22C pin small p for the channel spacing must be addressed. Open = 8.33 kHz, ground = 25 kHz. Please refer the Collins Proline II installation manual for complete details.