microHAM SMORF, Manual

Page: 8 / 76

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4 – INSTALLATION
1. Connect sensor to the meter
•
Connect U or FWD sample output of the sensor to the meter's SENSOR 1 – U/FWD input using
supplied SMA – SMA cable. It isn't important which one of two supplied SMA – SMA cables you use,
but keep the calibration certificate of the cable and mark it to reflect the connection (SENSOR
#SN/U). Later you can enter calibration table of the cable from the certificate sheet to the meter
memory in SENSOR MENU. It will slightly improve metering accuracy but you will need to pair
calibration table to the cable, each is individually calibrated in the factory.
•
Connect I or REF sample output of the sensor to the meter's SENSOR 1 – I/REF input using second
SMA – SMA cable. Again, keep the calibration certificate of the cable and mark it to reflect the
connection (SENSOR #SN/I).
•
If you are connecting the second sensor,
use SENSOR 2 ports on meter in the
same manner as for SENSOR 1 above.
2.
Connect sensor to the transceiver and the
antenna
•
Connect antenna port of your transceiver
or power amplifier to the sensor's
TX
port.
•
Connect your antenna to the LOAD port
of the sensor.
3.
Connect meter to the transceiver or
micro HAM interface
•
Connect supplied miniDIN6 – miniDIN6
cable from iLINK port of the meter to the
iLINK port on microHAM interface. If you have multiple microHAM interfaces and you are unsure
where to connect iLINK port, please refer to METER MODE chapter for more details.
•
If you don't have our interface, or you have interface without iLINK port, please refer to ALARM
SETTINGS chapter for more details. This connection is not necessary for SMΩRF functionality, but
when used, SMΩRF can protect your TX chain using internal ALARMs.
4.
Connect power to the meter
•
Connect 13.8V DC power supply to the DC power jack of the meter. DC power jack is standard
2.1/5.5 mm power jack, use supplied plug if you haven't one.
•
Observe the polarity!!! Center is positive (+), shell is negative (-).
•
Use well regulated and filtered power supply capable to provide 1.3A.
•
Connect grounding lead from your central grounding point in the shack to the ground terminal screw
on the meter.
5.
Turn power On
•
Flip the power switch on the rear panel.
•
After power up, meter checks for presence of sensors on its inputs. When the meter finds a new
sensor, it copies calibration data from the sensor's memory to the meter's memory. Each sensor has
built in a large calibration table, transfer of these data to meter may take several minutes. Be patient
and don't worry, it is just a one time procedure and happens only on the very first connection to the
new sensor. When done, meter will automatically switch to one of the metering screens.
6.
Select metering mode
•
Press and hold MENU button for a second. Using ← / → buttons select SYSTEM MENU. Press
briefly MENU to enter. Select METER MODE. Press briefly MENU to enter.
•
If you are connecting second sensor or both sensors at the same time, please refer to METER
MODE chapter to understand what metering mode means and does in order to use correct one for
your purpose. Otherwise select SINGLE RADIO / SINGLE SENSOR mode by rotary knob. Press
MENU briefly to register.
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