Japan Radio Co. JSS-2150, Руководство по обслуживанию

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OPERATION CHECK AFTER INSTALLATION
3-3
shuts off.
•
Check both the floating and equalizing charge voltages by the panel meter of the NBB-724.
•
Check both the charge and discharge currents by the panel meter of the NBB-724.
3.1.2.5 Checking the registration items
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Is the ship's ID, assigned by the administration, registered and displayed in the upper-left of the
status display?
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Is the serial number (manufacturer's number) of each unit registered? (Menu F1.1.2 Serial
number)
3.1.2.6 Checking the equipment condition by the self diagnosis
•
Is the transceiver's self diagnosis OK? (Run All at Menu 6.1.1 Transceiver)
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Is the controller's self diagnosis OK? (Run All at Menu 6.1.2 Controller)
* When two controllers are connected, run a self diagnosis for each controller.
3.1.2.7 Checking the GPS connection
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Is the latitude and longitude displayed at the top of the status display, and is EXT displayed at
the far right?
•
Does the information above match the position information displayed on the GPS?
* Make an appropriate decision to any discrepancies in the significant digits.
3.1.2.8 Checking items for 2 controllers
•
Are individual addresses set? (Menu F1.3 Controller settings)
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Is the terminator set correctly?
* Refer to "2.2.2.2 (1) RS-485 signal line terminator settings" of the installation manual.
3.1.2.9 Checking the basic operation
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Does pressing the [DIM] key switch the brightness of the LCD?
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Does pressing the [PRW/CONT] key adjust the contrast of the LCD?
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Can the frequency be set with the jog dial and numeric keypad, or can the antenna be tuned to
all bands (for example, 4100.0 kHz for the 4M band)?
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Check that all the keys, except the DISTRESS key, function.
•
When the squelch is off, can the speaker volume be adjusted by the RF GAIN or VOL controls?
•
Does sound come from the handset?
•
Does the send mark ( TX or TX ON ) appear when pressing the push-to-talk switch (PTT) on the
handset in TEL mode?
* In an environment where an antenna changer (NKZ-224) is connected, check that transmission
is terminated from the antenna to connection with RBK.
•
Does the send mark ( TX or TX ON ) appear when pressing the keyer in CW mode?
* In an environment where an antenna changer (NKZ-224) is connected, check that transmission
is inhibited until the antenna connection is completed after RBK ON.
3.1.2.10 Checking the Tx power and frequency
* Do these checks in all the 2, 4, 6, 8, 12, and 16 M bands in TEL mode. Do not transmit on distress
and safety frequencies (2182.0, 4125.0, 6215.0, 8291.0, 12290.0, and 16420.0 kHz).
* Use the test tone in the Menu F2.3.1.1 TX band power adj. for the following.
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Check if the Tx power is within the ratings using a high frequency power meter.
Rating: For 4, 6, 8, 12 M band: 120 to 180 W (high), 40 to 60 W (low)
For 2 M band: 80 to 100 W (high), 26 to 40 W (low)
•
Check if the deviation of the TX frequency is within the ratings using a frequency counter.