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2–8–2 EPROM Installation
1, 2, 3... 1. Remove the cover as shown above.
2. Raise the lever to unlock the socket.
3. Holding the chip so as not to touch the pins, insert it into the socket with
the notch to the left.
4. Check to be sure the chip has been properly installed.
5. Return the lever to its original position, locking the chip in.
6. Replace the cover.
7. Turn the power ON and verify that the CPU is operating in MONITOR
mode.
Lever
I/C Socket
Insert with the notch to the left.
2–8–3 High–speed Counter
When the high–speed counter (HDM(61)) is used, input (0000) is used exclu-
sively for this purpose and responds up to 2 kHz. Either the hardware reset
or software reset may be used. The software reset may be delayed, depend-
ing on the cycle time, since it is based on the program. The hardware reset is
unrelated to the cycle time and can operate at high speed. To use the hard-
ware reset (input 0001), set DIP switch pins 7 and 8 to ON as shown below.
Be sure to set them to OFF whenever the hardware reset is not being used,
regardless of whether the high–speed counter is being used or not.
ON
ON
Settings Section 2–8
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