Japan Radio Co. JSS-2150, Руководство по обслуживанию, Страница: 123 / 160

Maintenance
4-25
4.4 Data terminal maintenance mode
4.4.1 Turning on/off the maintenance mode
Turn on the maintenance mode of the data terminal by following the procedure below.
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Turn on the JSS-2150 in field maintenance mode.
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Through the controller hierarchical menus,
select F3. Software upgrade to stop
watching the DTE lost alarm.
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3
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Restart the data terminal by pressing the
Ctrl, Alt, and Del keys simultaneously.
Then during displaying the “MFHF” logo
and self-diagnosis as shown at right,
press N , D , and Z keys
simultaneously.
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4
4
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The data terminal becomes the maintenance mode showing the following items.
1. Initial setting : Serial number confirmation
2. Maintenance check : Self diagnosis such as internal/external circuits
3. Data initialize : Initialization to the factory default settings
4. Software upgrade : Upgrading procedures via USB memory or SIO
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Operate the data terminal in the maintenance mode.
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To finish the maintenance mode, restart the data terminal by pressing the Ctrl, Alt, and
Del keys simultaneously, or power off and on at the breaker of the radio equipment.
Note. When connecting the USB memory during the maintenance mode, the USB icon is shown at
the top of the screen. Additionally, to remove the USB memory, always unmount it by pressing
Shift and R keys simultaneously, and check the USB erased before removing it.