service_mode.md

Radio: Service Mode

Parameters

SOURCE  = 0b1110_0000
CONFIG  = 0b0001_1111

Source 0b1110_0000

SOURCE_SERVICE    = 0b000 << 5  # 0x00

Config 0b0001_1111

CONFIG_SERIAL_NUMBER    =  0b0_0010
CONFIG_SOFTWARE_VERSION =  0b0_0011
CONFIG_GAL              =  0b0_0100
CONFIG_FQ               =  0b0_0101
CONFIG_DSP              =  0b0_0110
CONFIG_SEEK_LEVEL       =  0b0_0111
CONFIG_TP_VOLUME        =  0b0_1000
CONFIG_AF               =  0b0_1001
CONFIG_REGION           =  0b0_1010

Use Cases

The MK1 GT has support for service mode despite C23 not using it?

Parameters	Description
Serial Number	Displays the radio serial number. (PN?)
Software Version	Displays the radio software version in format (mm/yy?)
GAL	Speed dependent volume control
F & Q	Field Strength (F) & Quality (Q)
DSP	DSP
Seek Level	???
TP Volume	Provides adjustment for traffic report minimum value.
AF	Alternative-frequency radio setting
Region	View/edit radio region.