User manual

Masterclock RC 500 User Manual – v2014.01.01

Introduction

The RC500 is a programmable, single channel, timer

control unit. It remotely communicates with TCDS or

NTDS digital time displays, providing count-up, count-

down and count-to capabilities.

FEATURES

• Reference time input from NTP or stand alone with

internal oscillator

• Modes include count-down, count-up and clock

• Count-down mode includes a “to time” feature

• Current mode select indicated by illuminated buttons

• UTC, local, Daylight Saving Time or custom time

• Control up to 6 TCDS clocks and devices simultaneously

• Control an unlimited number of Ethernet

clocks and devices simultaneously

• All configuration settings are retained in non-volatile

flash memory during loss of power

• RTC (Real Time Clock) backup retains time during

loss of power or reference

• Uses RJ12 (6P6C) modular cable to interface with

remote displays

• Six-digit LED display counter

• Rubber feet for tabletop use

• Stainless steel or black powder painted case

Icons Used In This Manual

Caution: This icon signifies a potential hazard, and gives tips on how to avoid them.

Important Information: This icon indicates to an important step that must be followed.

Technical Note: This icon describes technical terms and actions.

Helpful Hint: This icon suggests the general setup and practice.

Printing

While optimized for onscreen viewing, the pages of this manual are formatted for printing on

8 1/2” x 11” and A4 sized paper, giving you the option to print the entire manual or just a specific page or

section.