CCrystal Time Base: A crystal reference is employed for those applications requiring independence from the line frequency. A trimming function is included for greater accuracy (2-3 seconds/week).
DRemote Control: This option consists of a connector wired to switches on a control plate via a six-foot cable. Extra cable available.
J220 VAC/50 Hz Operation: The unit is configured to operate from 220 VAC line voltage. 117 VAC 50/60 Hz is standard.
MFront Mounted Switches: Front Mounted Push Button Switches - available only on select "70 Series" units.
SParallel BCD Slave: Parallel BCD Slave for use with old style BCD Outputs.
TTenths of Seconds: Tenths of Seconds LED Display added. Please order the ES-570UT when Tenths are needed.
UL"UL" Approved Power Supply: The unit is supplied with a UL/CSA approved wall mount power supply.
VDC Power: 5 VDC Power Input replaces 110 VAC. 12 VDC Power Input when Option 'T' is specified.
W3-Wire Power Cord: Recommended where static charges can occur. Standard on many units, otherwise a 2-wire cord is supplied.