1 - LT Series Operations Manual
TABLE OF CONTENTS
Specifications.......................................................................2
Introduction..........................................................................3
LT Series Models.................................................................4
Optional Features.................................................................4
Getting Started.....................................................................5
Installation ...........................................................................5
Registration..........................................................................5
Setting the Type Wheels......................................................6
Setting the Digital Display...................................................7
Adjusting Print Impact.........................................................8
Repeat/Advance Operation..................................................8
Consecutive/Duplicate Count..............................................9
Adjusting the Registration Position...................................10
Changing the Ribbon.........................................................11
Changing the Fuse .............................................................12
Changing the Platen...........................................................13
Warranty............................................................................14
WARNING: This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in
accordance with the instruction manual, may cause interference to radio communications. It has been tested and found to
comply with the limits for a Class A computing devise pursuant to Subpart J of part 15 of FCC Rules, which are
designed to provide reasonable protection against such interference when operated in a commercial environment.
Operation of the equipment in a residential area is likely to cause interference, in which case, the user, at his own
expense, will be required to take whatever measures may be required to correct the interference.
This document is a confidential proprietary document for the sole use of Lathem Time customers. The information
contained herein may not be reproduced for any purpose without the written permission of Lathem Time Corporation.
Copyright © 2009
LATHEM TIME CORPORATION
200 Selig Drive SW., Atlanta, Georgia 30336
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 RPM, K342 type
Ribbon Drive Motor: 21 RPM, Model 60-3
Transformer: 12 VAC, 50/60 Hz 117 VAC
(50/60 Hz 230 VAC Optional)
Numbering Solenoid: 110/120 VAC (220 VAC Optional)
Print Solenoid: 110/120 VAC (220 VAC Optional)
FEATURES
Print Impact Adjustment: Variable, for multi-part forms
Time Format: 12-hour AM/PM
24-hour Continental Optional
POWER REQUIREMENTS
Voltage: 110/120 VAC (220 VAC Optional)
Current: 9 Amp. Max. Intrm. 110/120 VAC
4 1/2 Amp. Max. Intrm. 220 VAC
Frequency: 60 Hz (50 Hz Optional)
POSSIBLE SHOCK HAZARD EXISTS WHEN CASE COVER IS REMOVED AND
AC POWER IS CONNECTED. USE CAUTION WHEN SETTING TYPE SECTION.
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: automatic registration; motor-driven
ribbon shift for smooth, quiet operation; easy ribbon changing; registration position adjustment;
and registration impact pressure control. Available options include a digital display, a manual
registration button; allowing automatic or manual action, as well as repeat and advance
numbering. All units carry a full one-year factory warranty.
Lathem LT Series: Time, Date, and Numbering Stamps
Please read all directions carefully before operating or maintaining your LT Series unit. This
operations manual is designed to provide basic operating instructions. Minor maintenance and
adjustments may also be performed easily and effectively by referring to these instructions. For
service beyond the scope of this manual, contact the dealer from whom you purchased the
equipment, or Lathem Time Corporation. Should it be necessary to return the unit, retain the
original packing materials for shipping.
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, date, month, and year. Type wheels advance automatically.
Month and date wheels must be reset manually the first day of each month.
Models with a "C" designation have the optional digital display.
LTTN(C)
Registers time, date, month, and year, as well as consecutive numbering. The
unit includes six (6) numbering wheels which advance automatically. Month
and date type wheels must be reset manually the first day of each month.
Models with a "C" designation have the optional digital display. (Note: The
manual registration button is standard on this module.)
CONSECUTIVE/DUPLICATE COUNT
Models LTN and LTTN can repeat the same number once, twice, three times or
four times before automatically advancing. (For jumper/shunt selection, see
page 9, "Consecutive / Duplicate Count.")
OPTIONAL FEATURES
REPEAT/ADVANCE SWITCH
Overrides automatic numbering advance to allow repeating the same number if
desired, or advances to a higher number. (See page 8 for operating instructions.)
INSCRIPTION PLATES
The die plates may be permanently fixed or removable. They can have up to 3
lines of 20 characters per line, or carry facsimile signatures. (Note: Removable
die plates must be removed before opening top frame and reinstalled after
closing top frame.)