VRIL COMMUNICATIONS FIELD SERVICE
INTERNAL SWITCHBOARD DIAGNOSTIC
OPERATION BRAVO // MISSING ROUTE

EM-50A CONTACT STRIP
Reference fundamental: 110 Hz.
Frame 1: 440 Hz.
Frame 2: 440 Hz.
Frame 3: 770 Hz.
Frame 4: 770 Hz.
Frame order: left to right.

FIELD SERVICE CALIBRATION CARD
Extension field: removed from the surviving card.
Technician note: EXTENSION = HARMONIC ORDER.
Technician note: READ LEFT TO RIGHT.
Technician warning: DO NOT DIAL OUTSIDE BUILDING.

ACCESS NOTE
Recover the internal extension by comparing each photographed frequency to the 110 Hz reference fundamental. Preserve frame order. No audio, telephone call, image recognition, color distinction, external software, or team participation is required.