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LT SERIES
User’s Manual
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1 - LT Series Operations Manual TABLE OF CONTENTS Specifications.......................................................................2 Introduction..........................................................................3 LT Series Models.................................................................4 Optional Features.................................................................4 Getting Started .....................................................................5 Installati
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2 - LT Series Operations Manual SPECIFICATIONS PHYSICAL Height: 7 inches Width: 5 1/4 inches Depth: 11 inches Weight: 12 3/4 pounds (standard models) 14 pounds (numbering models) Case: Impact Resistant Reinforced Lexan Color: Cool Gray Power Cord Length: 6 Feet COMPONENTS Print Wheels: Engraved Brass or Cast Zinc Alloy Printing Platen Assembly: Textured, soft surface for single copies. Ribbon: Purple Silk Fuse: 3 Amp. Digital Display: LED Timing Motor: 1 RP
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3 - LT Series Operations Manual INTRODUCTION The Lathem LT Series time stamps are considered "standard" by thousands of businesses and institutions because of their low initial cost and years of proven, trouble-free operation. The LT Series offers a wide variety of registration combinations that may be used for timing, numbering, and dating functions. The LT Series consists of four models, and is designed to meet virtually all of your validating needs. Standard features include:
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4 - LT Series Operations Manual LT SERIES MODELS LTD Registers date, month, and year. Type wheels must be advanced manually. Year wheels carry ten (10) years. LTN Registers consecutive numbers. Basic unit includes six (6) numbering wheels which advance automatically. Up to five additional numerical, letter, or code wheels may be purchased. The additional wheels must be advanced manually. (Note: The manual registration button is standard on this module.) LTT(C) Registers time,
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5 - LT Series Operations Manual 24-HOUR FORMAT The digital display models (LTTC and LTTNC) can display 12-hour (standard), or 24-hour, also known as the Continental (0-23 hour), format, when specified at time of order. The time wheels can print 24-hour format for an added charge. FIXED PAPER GUIDE Provides a fixed edge on the side of the time stamp to help the user make more accurate registrations. ADJUSTABLE PAPER GUIDE Enables the user to position registrations more accurately on
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6 - LT Series Operations Manual SETTING THE TYPE WHEELS As noted in the earlier sections LT SERIES MODELS and OPTIONAL FEATURES, the LT Series Models are available with a variety of date, time, and number wheels. You may set the applicable type wheels according to the following directions. 1. Disconnect the power source. 2. Remove the top cover by inserting the key in the back of the unit, turning the key clockwise, and pulling the cover up and forward. 3. Remove the frame locking pi
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7 - LT Series Operations Manual SETTING THE DIGITAL DISPLAY Models with a "C" affixed to their designation (LTTC and LTTNC) denote units featuring a digital display. This display is factory-set for use in the 12-hour AM/PM format or the 24-hour (Continental) format. The digital display should always be synchronized with the time type wheels. To set the digital display and synchronize the display with the time type wheels, do the following: 1. Connect the power source. 2. Locat
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8 - LT Series Operations Manual ADJUSTING PRINT IMPACT Print impact may be set to any desired level, from very hard to very light. The impact adjuster is located on the bottom of the unit. Using a small flat head screwdriver, turn the adjuster to the right to increase or left to decrease the impact. (Figure 4) (Note: To extend the effective life-span of the unit, use the lightest adjustment possible, which still gives a legible imprint.) Figure 4 REPEAT/ADVANCE OPERATION
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9 - LT Series Operations Manual CONSECUTIVE/DUPLICATE COUNT (Numbering Units) Units equipped with the numbering feature may be configured for Consecutive Count, advancing the number type wheel after each registration, Duplicate Count, advancing the number type wheel after every two registrations., Triplicate Count, advancing the number type wheel after every three registrations, or Quad Count, advancing the number type wheel after every four registrations. All units are shipped with
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10 - LT Series Operations Manual ADJUSTING THE REGISTRATION POSITION Depending on the type of document being stamped, it may be necessary to change the registration position. This can be accomplished by moving the trigger assembly. The trigger assembly has a range of motion of about two (2) inches forward or backward. The trigger assembly tells the unit how far the document must be inserted before activating the stamp. The print locators on either side of the top cover (Page 5,
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11 - LT Series Operations Manual CHANGING THE RIBBON LT Series time stamps use a silk ribbon for long-lasting, high-quality imprints. To avoid damaging the unit, use only a #20-S ribbon. To change the ribbon: 1. Disconnect the power source. 2. Remove the top cover. Remove the frame locking pin and lift the top frame (as described on Page 6, Figure 2). 3. Pull the front spool plunger knob (Figure 8, Number 1) away from unit. While holding the knob, slide the ribbon to the le
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12 - LT Series Operations Manual CHANGING THE FUSE Each model of the LT Series comes equipped with a fuse. The fuse protects the unit from damage in case of a power surge or electrical overload. If too much power reaches the fuse, the fuse burns out, or is "blown," stopping operation of the unit and avoiding costly damage. To change the fuse: 1. Disconnect the power source. 2. Remove top cover and frame locking pin as described on Page 6. Lift top frame. 3. Locate the Fuse Holde
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13 - LT Series Operations Manual CHANGING THE PLATEN 1. Disconnect the power source. 2. Remove the top cover. Remove the frame locking pin and lift the top frame. Remove the ribbon (see Changing the Ribbon, Page 11). 3. Lift the printing platen assembly up and out of the frame. (Fig. 10) 4. Insert the alternate printing platen assembly, using the guide pin for alignment. 5. Replace the ribbon. Close the top frame and install the frame locking pin. Install the top cover.
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14 - LT Series Operations Manual Limited One-Year Limited Warranty Lathem warrants the hardware products described in this guide against defects in material and workmanship for a period of one year from date of original purchase from Lathem or from an authorized Lathem reseller. The conditions of this warranty and the extent of the responsibility of Lathem Time Corporation (“Lathem”) under this warranty are listed below. 1. This warranty will become void when service performed by anyone
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