Encoder Installation
025-9567E 49
3. Place the new EPROMs, labeled U5 and U7, into the sockets with the corresponding
labels.
CAUTION
These devices must be oriented in the proper direction or they will be destroyed.
The notch in one end of the device must match the notch in the destination socket.
The notch must face the top of the digital encoder board. Be sure that the pins of the
EPROMs do not bend out or under when the devices are pressed into their sockets.
4. Once you are certain that the EPROMs have been properly installed, you may reassemble
the encoder. Before reinstalling, you may wish to verify proper installation by applying
power and watching for the display segment test. If the encoder does not execute the
power-on test, or if the power-on test fails, then it is likely that the EPROMs are
improperly installed.
5. After reinstalling, the encoder parameter memory will need to be partially cleared and
reprogrammed. The block/format, remote control, and send parameters must be cleared
and reprogrammed or the encoder will not operate properly. The clearing process is
described in detail in “PROGRAMMING SECTION 1 - CLEARING AND
INITIALIZING” on page 67. In short the process consists of entering the clear mode and
selecting the “CLEAR SECTIONS 2, 5, AND 6” option by keying in the selection
number “1”. The programming of the tone format selection, remote control, and general
and send button setup is described in detail in either the “PROGRAMMING ENCODER
FROM FRONT PANEL” section (page 65) or the “PROGRAMMING ENCODER
FROM SERIAL PORT” section (page 99).
6. The new EPROMs may contain upgraded versions of the operational software. If the
operational software has changed, then a description of the changes will have been
included with the new EPROMs. The operation change description should be attached to
this manual. In some cases, new manuals will be included with the EPROMs, in which
case the new manual would supersede this manual.
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