Operation; Application Notes; Base Station Use; Remote Use - LDG M-7600 Operation Manual

OPERATION

Operation of the M-7600 is completely transparent. Simply operate the transceiver as usual,
and the M-7600 will display the selected parameters during transmit and receive operation. If the
display of different parameters is desired, simply repeat the Meter Parameter Selection as
required.
The M-7600 has a blue backlight that may be turned on or off using the backlight power
switch located on the top rear of the M-7600. The brightness of the backlight may be adjusted by
inserting a screwdriver into the hole marked Brightness on the rear of the M-7600 and turning
gently.

APPLICATION NOTES

Base Station Use

The M-7600 may be placed nearly anywhere on the operating desk. The included 1/8" mono
connection cable provides the ability to place the meter up to several feet away from the
transceiver. Some obvious choices include on top or beside the radio, or near the station
computer.

Remote Use

The M-7600 may be placed farther away from the IC-7600 if desired. A standard 1/8" mono
headphone jack extension cable is all that is required to connect the M-7600 to the external meter
jack on the IC-7600.

Other Applications

LDG designed your M-7600 specifically for the Icom IC-7600 transceiver, and does not
recommend using it in any other application. However, the meter is, in fact, simply a 500 micro-
amp meter movement; the calibration potentiometer allows a range of .5 - 2 mA. If you choose to
use it in a different application, take care not to exceed the maximum current specification; the
meter movement will be damaged or destroyed by current in excess of this specification.
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