Acom 1010 Руководство по эксплуатации - Страница 17

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Acom 1010 Руководство по эксплуатации
software-derived protections are based on this information.
* Detailed electrical schematic diagrams are available from ACOM or from your dealer on request.

5-5. Service Functions

By pressing the OPER and RTTY buttons simultaneously, the upper LED bar-graph is switched to the
service mode, which is indicated by both red bar-graph lights and the yellow G1 light illuminating. Pressing
the OPER and RTTY buttons together again will select additional service measurement functions.
Pressing them a final time will return the amplifier to the normal operating mode. These steps are
detailed below:
a) Press the OPER and RTTY buttons together. The two red lights on the right side of the upper
bar-graph will illuminate to confirm that the amplifier is in the service mode. The yellow G1 light will
also illuminate. The upper bar-graph should show a grid 1 current reading no higher than 5 mA (5 LEDs
illuminated).
b) Pressing the OPER and RTTY buttons once again will now illuminate the yellow G2 light. This
provides an approximate reading of grid 2 voltage. The upper bar graph should show a voltage reading
within the range of either 270-300 Volts (9-10 LEDs illuminated) for RTTY or 210-330 Volts (7 to 11
LEDs illuminated) for SSB and CW.
c) Pressing the OPER and RTTY buttons yet again will illuminate the yellow IP light. This provides an
approximate reading of combined plate current and grid 2 current. The reading should be no higher
than 500 mA (10 LEDs illuminated) for RTTY or 600 mA (12 LEDs illuminated) for SSB and CW.
d) Pressing the OPER and RTTY buttons a final time will restore the upper bar-graph to its normal
function of indicating peak forward power.
NOTE
The auto-protection system will continue to operate in the service mode.

6. SPECIFICATIONS

6-1. Parameters

a) Frequency Coverage: All amateur bands in the 1.8-29.7MHz frequency range; extensions and/or
changes on request.
b) Power Output: 700 W PEP or 500 W continuous carrier.
c) Intermodulation Distortion: Better than 35 dB below rated output.
d) Hum and noise: Better than 40 dB below rated output.
e) Harmonic Output Suppression: Better than 50 dB below rated output.
f) Input and Output Impedance:
- Nominal value: 50 Ohm unbalanced, UHF (SO-239) type connectors;
- Input circuit: broadband, VSWR less than 1.3:1, 1.8-30 MHz continuously (no tuning, no switching);
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