ZENITH 140 INSTRUCTION MANUAL 
 
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P940 Number of Starts 
This parameter shows how many times the unit has been powered up. 
P941-P960 Start Date & Time 
Parameters P941 and P942 show the date and time that the unit was last 
started. There are ten start dates & times recorded, which are parameters 
P943-P960. The first on the list are the most recent, and the last ones are 
the oldest. These are read only and cannot be changed. 
Daylight Saving Time 
P970 DST Enable 
When Enabled (set to 1) the internal clock will be automatically adjusted to 
compensate for the difference between standard time and Daylight-Saving 
Time. Default = 1 (Yes) 
P971 DST Difference 
This parameter sets the time difference between standard time and 
Daylight-Saving Time. The time difference is entered in HH:MM.  
Default = 01:00 
P972 DST Start Time 
This parameter is used to set the time of day at which Daylight-Saving 
Time will start, the time is entered in the format HH: MM (24-hour format). 
Default = 02:00 
   
Important Notice 
In order to ensure the correct operation of Daylight-Saving Time P932 Time 
should be checked, and adjusted if necessary, to ensure that it is set for the 
current valid time.