Motorola Gm338 Programming Manual !new! ⏰

: Connect the radio, open the CPS software, and use the "Read" button to retrieve the current configuration before making edits to the Conventional Personality or Signaling menus. GM328/GM338/GM398 Mobile Radios

The will reference a "RIB" (Radio Interface Box). The GM338 uses a specific proprietary interface. Motorola Gm338 Programming Manual

The manual mentions PTT Sidetone (hearing your own MDC burst). For dispatchers, leave OFF. For field ops where you need acknowledgment, turn ON. Warning: Sidetone delays voice transmission by ~200ms. : Connect the radio, open the CPS software,

: Connects the radio's accessory port to a computer's USB port (approximate cost £70). : Connect the radio