It wasn't a typical government manual. It lacked the standard "SOP-XXXX" designation. Instead, embossed in fading gold leaf on navy blue leather, was the string: .
Without the , you risk:
Upon applying power, the unit will display “Init” for 3 seconds, followed by the firmware version (e.g., “v2.3”). If the display shows “Err1,” it indicates a memory checksum failure – consult Section 7 of the manual for recovery.