La Crosse 404-1235UA-SS User Manual

404-1235UA-SS www.lacrossetechnology.com/support Page | 1
Model: 404-1235UA-SS
Instruction Manual
DC: 110515
14” ULTRATOMIC WALL CLOCK
Welcome! Thank you for buying the UltrAtomic clock with
exceptional Atomic time reception.
Get Started-Atomic Time
1: Slide the Time Zone switch to your time zone.
PT = Pacific, MT = Mountain, CT = Central, ET = Eastern
2: Slide the DST switch to the ON or OFF position.
3: Insert two or four fresh “C”, LR14 1.5 volt batteries according to
the polarity markings.
+ C -
+ C -
+ C - + C -
+ C -
+ C -
Use two or four
“C” batteries

La Crosse 404-1235UA-SS Specifications

General

Brand	La Crosse
Model	404-1235UA-SS
Category	Clock
Language	English

Summary

14" UltrAtomic Wall Clock Setup

Initial Atomic Time Synchronization

Steps for setting time zone, DST, and battery installation for atomic time.

Clock Positioning and ECO-Mode

Optimizing Atomic Signal Reception

Guidance on positioning the clock for the best atomic time signal reception.

ECO-Mode Battery Saving

Explanation of the ECO-Mode feature to conserve battery power by stopping the second hand.

Advanced Time Settings

Custom Time Zone Configuration

Instructions for selecting custom time zones using the CUSTOM ET setting.

Daylight Saving Time (DST) and Arizona

How the clock handles DST, including specific instructions for Arizona.

Manual Time Setting (Q-Mode)

Procedure for setting the clock manually when atomic signal is unavailable.

Troubleshooting and Manual Operation

Troubleshooting Atomic Clock Issues

Solutions for common problems like battery issues, location interference, and weather effects.

Manual Time Setting Procedure

Detailed steps for setting time manually using Q-Mode and Q-Run.

Component Functions and Specifications

Movement and Switch Functions

Explanation of the clock's buttons, switches, and their respective functions.

Product Specifications

Details on operating temperature, power requirements, and battery life.

Care, Maintenance, and Support

Care and Maintenance Guidelines

Instructions for proper battery handling and equipment care.

Warranty and Support Information

Details on the product warranty, customer support contact, and online resources.