Table 3-2 LEDs in the display unit (con’t)
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| Off: Á Flickering: ' Lighting: o | |
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PCB |
| LED |
| Remarks | |
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No. | Signal | Status | |||
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| CR4 | L CONT | Á | Off except when transducer is being lowered. | |
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| CR7 | TR CLK | ' | Flickers while transducer is being trained; off while | |
| transducer is stopped. | ||||
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| CR9 | TI CLK | ' | Flickers while TILT lever is pressed; off while TILT | |
| lever is released. | ||||
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| CR12 | TR 0° | ' | Lights momentarily when is trained to 0° direction. | |
SNR Board |
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CR14 | TR 180° | ' | Lights momentarily when is trained to 180° direction. | ||
06P0228 | |||||
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| CR16 | TI +10° | Á | Lights momentarily when transducer tilt angle is +10° | |
| or 90°. See * below. | ||||
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| CR17 | TI 190° | Á | Lights momentarily when transducer tilt angle is +90° | |
| or 190°. See * below. | ||||
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| CR20 | HULL | o | Lights while ship's mains is supplied to hull unit. | |
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| CR21 | KP | ' | Flickers during transmission. | |
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| CR21 | +5V | o |
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| CR22 | +12V | o |
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| CR25 | IN HL | Á | Lights when overvoltage protector operates. | |
PWR Board |
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CR26 | +115V | o | Power supply for color monitor | ||
06P0229 | |||||
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| CR27 | Á | Lights momentarily when overvoltage protector for | ||
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| CR30 | 5V | Á | Lights momentarily when overvoltage protector for 5V | |
| line operates. | ||||
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* In normal operation there is no tilt angle of 190° or +10°.
