Saito didn't answer. He opened the manual to the last page. Not a specification, not a schematic. A single line in small italics:
Page 1-2: "The CMZ 700 utilizes a dynamically tuned ring laser gyro. No moving parts. Settling time: 3 hours." No moving parts. That felt wrong to Saito. A ship without a spinning wheel of bronze and copper was like a heart without a beat. But the numbers were seductive. Accuracy: 0.01 degrees secant latitude. Mean time between failure: 50,000 hours. yokogawa gyro compass cmz 700 user manual
Tanaka nodded, unimpressed. "So, like a GPS." Saito didn't answer