
Timekeeper™ Users Manual 01/11/20
NOTE: Different models present the warning times in different ways, but the basic behavior is the same, typically
displaying different colors for the warnings.
Total Time Yellow Blink Yellow Steady Red
0:00-0:29 0:02 0:01 0:00
0:30-0:59 0:20 0:10 0:00
1:00-1:59 0:30 0:15 0:00
2:00-3:59 1:00 0:30 0:00
4:00-99:59 2:00 1:00 0:00
Timer Variations
Not all timer models can perform all the functions described in this document. Most timer models have a knob rather
than up/down buttons to set the time. Not all timer models have a beeper. Some minor variations exist between the
units, such as one unit has a Start button and another may have a Start Stop button.
•Count Down Timers have Start and Reset buttons.
•Count Down Timers with Clock have Start, Reset and Clock buttons.
•Count Up/Down Timers have Start, Reset, Mode and Select buttons.
•Count Up/Down Timers with Clock have Start, Reset, Mode, Select, and Clock buttons.
•Count Up/Down Timers with Presets have Start, Reset, Mode, Select, and one or more Preset buttons.
•Count Up/Down Timers with Clock and Presets have Start, Reset, Mode, Select, Clock and one or more
Preset buttons.
•Remote buttons can control the timers, and those remote buttons may have similar names but different
functions, such as buttons named “Start/Stop”, “Start/Pause”, or “Start”.
Timer Models
This manual supports the following Timekeeper™ models and any other models that may not be listed here that uses
the F-Series software.
•DSP017C-SM – Timer with four 0.56” high solid segment digits surface mount; 4 buttons).
•DSP017C-FM – Timer with four 0.56” high solid segment digits flush mount; 4 buttons).
•DSP221F-SM3, SM4, SM5, SM8, SM9 – Timer with four 0.56” high solid segment digits surface mount;
3,4,5,8,9 buttons).
•DSP221F-FM3, FM4, FM5, FM8 – Timer with four 0.56” high solid segment digits flush mount; 3,4,5,8
buttons).
•TMR216B – Timer with six 0.54” high solid segment alpha-numeric digits.
•DSA256A – Timer with six 2-1/3” high solid segment alpha-numeric digits.
•DSP104B, DSP106B – Timer with 1” high solid segment digits.
•DSP252E, DSP254E, DSP256E – Timer with 2-1/3” high solid segment digits.
•DSP252E-TRI, DSP254E-TRI, DSP256E-TRI – Timer with 2-1/3” high tri-color solid segment digits.
•DSP402B, DSP404B, DSP406B, DSP408B – Timer with 4” high individual LED digits.
•DSP452A, DSP454A, DSP456A – Timer with 4” solid segment digits.
•DSP502F, DSP503F, DSP504F, DSP505F, DSP506F, DSP508F – Timer with 5” high individual LED digits.
•DSP602F, DSP604F, DSP606F, DSP608F – Timer with 6” high individual LED digits.
•DSP702F, DSP703F, DSP704F, DSP706F, DSP708F – Timer with 7” high individual LED digits.
•DSP1002F, DSP1003F, DSP1004F, DSP1005F, DSP1006F, DSP1008F – Timer with 10” high individual
LED digits.
VERSION=5C Page 5 of 33 www.alzatex.com