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Card Feed Modes
The CR-510 can read cards in one of three modes:
• Single Feed
• Demand Feed
• Continuous Feed.
How to select these modes is outlined below.
Single Feed Mode
In this mode, the CR-510 reads a single card every time you press the START/STOP button. The
READY lamp will illuminate, indicating that the CR-510 is ready to read a card. Press the START/
STOP button to read a card. If the Card Hopper is empty, the LOAD ATTENTION Indicator
will illuminate.
Demand Feed Mode
One card is read each time a PIK command is received from the Computer. The START/STOP
Button must be pressed once to initiate the first read operation.
Note: If a card jam occurs during a read operation and status is disabled, the FEED ERROR
Indicator will illuminate and no data will be sent. (The complete card must be read before data is
sent.) The jammed card must be placed back at the bottom of the deck. (Removing the card deck will
cause the LOAD ATTENTION Illuminator to light up.) Pressing the START/STOP button will
resume the feed operation.
If a card jam occurs during a read operation and status is enabled, a status feed error will be sent to
the TRS-80 Computer (the data will be a reverse slash indicating invalid data). The jammed card
must be placed back at the bottom of the deck. Pressing the START/STOP Button will resume the
feed operation.
Continuous Feed Operation
All of the cards in the Card Hopper will be read when the START/STOP Button is pressed.
Note: If the Card Hopper is emptied during the continuous feed operation, the unit will stop feed
operations and the LOAD ATTENTION Indicator will illuminate. Press the START/STOP Button
(after cards have been placed in the Hopper) to resume the continuous feed operation.
Adjusting the CR-510's Feed
If you notice that the Card Reader is either accepting more than one card at a time or rejecting all
cards, chances are that a simple adjustment of the "stripper plate" will solve this problem. You can
adjust it yourself.
To do this, all you need is a Phillips screwdriver and two blank General Purpose Cards. Use the
following instructions to adjust the Card Reader:
1. Make sure the Card Reader's power is OFF.
2. Loosen the two screws that hold the stripper plate.
3. Take the two disposable cards and position them under the stripper plate. Push the stripper plate
against the top card until it is as tight as you can get it. Then, retighten the screws.
4. Remove the cards (the top one might tear) and dispose of them if they have been damaged.
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