User's Manual
6888882V04
RCK1000 Owners-Guide-v4.doc
29
RCK1000 Operation
General
The following instructions present operating procedures of the system. More information is
detailed in the “RM125/RM125R Owner’s Guide”, Publication 6888882V02, “Owner’s Guide,
MICOM-3F/3T/3R HF-SSB Transceivers”, Publication 6886867J01, and the applicable MICOM-3
Supplements that cover optional features.
Preparations for Operation
1. Set the REMOTE CONTROL switch on the rear panel of the RM125/RM125R to the OFF
(down) position.
2. For the RM125R, set the internal speaker switch to ON (up).
Calibration Procedure
The manufacturer calibrates new 1KW amplifier systems, to ensure that the RM125/RM125R
transmit level matches the 1KW amplifier requirements at each of the four system transmit
power levels (LOW, MED, HIGH, and MAX). However, after replacing the 1KW amplifier or the
RM125/RM125R serving as its exciter, it is necessary to calibrate again the system.
Calibration instructions for a 1KW amplifier used in conjunction with the RM125/RM125R are
given in “Chapter 12: Technician Mode” of Publication 2072-09538-00, “Radio Service Software
(RSS) V3.0, User’s Guide” (previously Publication 68P02953C05-O).
The calibration procedure is described in Section 12.2: “Power Calibration” of the RSS User’s
Guide. Before carrying out the procedure, make sure to select the 1KW amplifier power word
option on the window that is opened by selecting Technician>Calibration. The calibration must
be performed for each transmit level. The nominal transmit levels are as follows:
LOW: nominal transmit power of 300W.
MED: nominal transmit power of 500W.
HIGH: nominal transmit power of 800W.
MAX: nominal transmit power of 1000W.
Exceeding the maximum rated power of the 1KW amplifier (1000 W) may damage the
equipment, and therefore it is highly recommended to adjust the MAX transmit power to 900W
(that is, 0.5 dB below the rated maximum). This is a precaution that takes into consideration the
accuracy of the equipment used to measure the output power.