The MAX CADLINER CD-750 is a precision instrument designed to improve the quality of lettering and save time in drafting and design applications. It functions as an electronic lettering machine, capable of producing various letter styles, numerals, symbols, and even simple graphics with high accuracy. The device is operated via a keyboard and features a 16-digit LC display for showing entries and operating conditions.
Function Description:
The CADLINER CD-750 operates in several modes, including Direct Mode, Monitor Mode, and Memory Mode, each offering distinct functionalities.
- Direct Mode: In this mode, every keystroke is executed immediately by the pen, and the characters appear in the display. This allows for real-time lettering and immediate visual feedback.
- Monitor Mode: This mode allows users to input and review up to 200 keystrokes before printing. It's useful for composing text and making corrections before committing to a physical output. The display shows the remaining memory capacity (up to 200 keystrokes) for about 2 seconds before switching to indicate the monitor mode.
- Memory Mode: The device boasts a total memory capacity of 5,000 keystrokes, which can be divided into 100 memory addresses (00-99). Data stored in memory is battery-backed, ensuring retention even if AC power is interrupted. This allows users to store frequently used text, symbols, or table formats for later recall and printing. The memory function is activated by pressing the M.MR key, and the display shows available memory or the current memory address.
- Lettering Modules: The CD-750 supports optional lettering modules (cassettes) that can be inserted to provide different letter styles. The device automatically selects the external software when a cassette is inserted and power is turned on. Users can switch between internal (universal style) and external software.
- Correction Features: Both Monitor and Memory modes offer correction capabilities. Users can move a cursor to correct erroneous inputs by overwriting, deleting characters (using DEL), or inserting characters (using SHIFT + INS + DEL).
- Waiting Function: During monitor or memory operation, an automatic waiting function prevents the unit from writing twice on the same line. If this occurs, a message is displayed asking whether to continue.
- Auto End Point Function (2nd Function): This feature verifies if programmed characters in Monitor or Memory mode can be drawn within the required area. The starting point for drawing each line is always the Home position.
- Auto Centering Function: This function allows users to align characters to the center point of the operating area. It's available only in memory or monitor mode.
- Auto Return Function: This feature automatically initiates a line feed when the text reaches the specified right margin, ensuring continuous input and proper text formatting.
- Justification (2nd Function): Similar to Auto Return, this function automatically edits text to fit within specified margins and prints it in a justified form. It is effective only in monitor or memory mode.
- Pen-station Function (2nd Function): This function allows the pen to pause during keying, preventing imperfectly drawn characters due to pen dry-out or other issues. The pen moves to a wait position on the rubber at the center of the scale.
- Tabulation: The device supports setting up to ten tabulation positions within the 7.3" drawing area, useful for creating tables and columns. Tab positions can be set, cleared, and used to move the pen to the next tab setting.
- Frames for Lettering (Symbol mode IV): The CD-750 can draw various frames, including circles enclosing single, two, or ten characters, and circles enclosing two characters each in the top and bottom positions.
- Auto Table Creation (2nd Function): This function facilitates setting up table formats and tab values. Table formats can be recalled from memory or newly input, clearing any previously set tab positions.
- Lettering Speed (2nd Function): The pen speed can be adjusted to control the blackness of characters. Standard speed is 1"/sec (25mm/sec), with options to reduce it to 0.5"/sec (12.5mm/sec) or 0.2"/sec (5mm/sec).
- Line Space (2nd Function): This function controls the distance between the base line of the previous line and the new primary line. The default line space is 6/10H (where H is the letter height).
- Grid and Letter Space Selection: For tables and columns, characters can be drawn with constant spacing using the grid function, where the distance between letter centers equals the letter height.
- Condensed and Extended Lettering: The width of letters, numerals, and symbols can be varied from 50% to 200% of the normal width (100%), with the letter space changing proportionally.
Important Technical Specifications:
- Operating Area: X-axis: 7.3 inches (185mm), Y-axis: 1.6 inches (40mm).
- Step Size: Axial directions: 0.0005 inch/step (0.0125mm/step); Diagonal directions: 0.0007 inch/step (0.018mm/step).
- Lettering Speed: Maximum: 1 inch/sec (25mm/sec); Minimum: 0.2 inch/sec (5mm/sec).
- Drive: Bi-polar half-step drive.
- Lettering/Symboling Capacity: Capital letters, lowercase letters, numerals, symbols, and circling of characters.
- Pen: Technical ink pen, fiber tip pen.
- Accuracy: ±0.3% of travel distance.
- Character Size: 0.04 inch to 1 inch in 0.005 inch increments.
- Battery Backed Up Memory: 100 memory blocks with a total capacity of 5,000 keystrokes.
- Housing Dimensions: (W) 13.1" x (D) 5.1" x (H) 1.5" (332 x 130 x 39 mm).
- Weight (operating unit): 2.17 lbs (985g).
- Temperature Range for Operation: 41°F to 95°F (5°C to 35°C).
- Temperature Range for Storage: -4°F to 140°F (-20°C to 60°C).
- Operating Voltage: 120V ±10%, 60Hz.
- Power Consumption: Approximately 25W (Max.).
Usage Features:
- Keyboard Layout: The keyboard features writing keys and function keys. Light gray keys are writing keys with four modes (SHIFT, LOCK, III, IV) controlled by mode keys. The upper-case mode is automatically selected upon power-on, indicated by an illuminated green LED above the LOCK key.
- Pen Installation: The device supports both technical ink pens and fibertip pens. Proper installation involves securing the pen with a lock nut and sleeve, ensuring the tip is within 0.04" to 0.08" from the drawing surface.
- Mounting: The CADLINER CD-750 can be attached to a drafting machine. For right-handed drafting machines, it's mounted on the right side. For left-handed machines, a scale adapter is removed, and the unit is screwed onto the right side.
- Power On/Off: The main switch is located on the unit. Users are advised to wait at least 5 seconds between power cycles to prevent memory information destruction.
- Software Fence: An electronically controlled border prevents the pen from executing keystrokes that would exceed the operating area, sounding a warning buzzer if the left or bottom margin is exceeded, or automatically returning to the left margin if the right margin is exceeded.
Maintenance Features:
- Battery Replacement: The battery backing up the memory has a life of about 3 years. When replacement is needed, users should consult an authorized dealer.
- Cleaning: The unit should be cleaned with a clean, dry cloth. Avoid using wet cloths or cloths soaked in alcohol, benzene, paint thinner, or other volatile liquids.
- Pen Maintenance: Ensure the pen is firmly fixed in the pen arm and not dried up. The distance between the pen tip and the drawing surface should be maintained between 0.04" and 0.08". If the pen is dirty with ink, wipe the rubber with a clean, wet cloth.
- Troubleshooting: The manual provides a troubleshooting section for common issues such as the unit failing to operate, the pen moving but not drawing, poor lettering quality, or "HOME ERROR" display. Users are advised to check connections, pen condition, and consult a dealer if problems persist.
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