1. OPERATIONAL OVERVIEW
1.1.2Controls
The functions of keys of the transceiver unit and the remote station are almost the same. The table below shows the controls and keys for the transceiver unit.
| Control |
| Function |
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| CHANNEL |
| • Selects a channel. |
| (PUSH TO |
| • Moves the cursor in menu opened. |
| ENTER) |
| • Registers selected item when pressed. |
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| • Mutes the receiver when no signal is present on |
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| the channel selected. |
| SQUELCH |
| • AUTO position automatically reduces white noise. |
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| • With the SHIFT key is pressed, adjust the contrast of the |
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| display. |
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| VOLUME/POWER |
| • Turns the power on/off and adjusts the volume of the |
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| loudspeaker. |
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| Key |
| Function |
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| • Transmits the distress alert after pressing three seconds. |
|
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| When the key is pressed, the LED in the key blinks and the |
| DISTRESS |
| buzzer sounds. Pressing the key three seconds |
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| continuously the distress alert is transmitted and the LED | |
|
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| lights continuously and buzzer also sounds continuously. |
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| These conditions are continued until the distress |
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| acknowledge is received or you cancel the distress alert. |
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| • Blinks in red when a distress alert or urgent call is received. |
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| Also, the acoustic alarm sounds. To stop the blinking and |
| ALARM |
| silence the buzzer, press the CANCEL key. |
| (INDICATOR) |
| • Blinks in green when a safety call or routine call is received. |
|
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| The acoustic alarm sounds and stops automatically five |
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| seconds later. |
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| • Stops audible and visual alarms. |
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| • Erases an error message. |
| CANCEL |
| • Cancels numeric entry. |
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| • Returns to previous menu. |
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| • Cancels transmission or printing. |
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| CALL |
| • Transmits various DSC messages. To transmit a distress |
| MSG |
| message, press this key more than three seconds. |
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