General Dynamics C4 Systems URC-200 (V2)
58
Table 12 - Transceiver Customizing Codes (Continued)
CODE NAME DESCRIPTION
!
Aviation Mode
ECS-8 Option
Only
Initializes all channels to the default values including Aviation Mode
On, AM, PT, low power, 118 MHz, Wideband 25 kHz.
NOTE
Use the “I” command to defeat Aviation Mode.
<
Wideband vs.
Narrowband
selection
ECS-8 Option
<1: Enable 25kHz Channel Spacing
<2: Enable 8.33kHz Channel Spacing
Returns a NAK if ECS-8 Option is not enabled.
Wxxxx
Warp Command
ONLY VALID for software version 1.6 and later. For previous
software versions, please call General Dynamics.
The “W” command followed by four decimal digits from 0000 to
1023 adjusts the crystal warp value. This is used to fine tune the
transceiver frequency accuracy.
Refer to Appendix A for procedure.