Honeywell ERX, User Manual, Page: 29 / 84

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
If both items 792 or 793 is set to zero disables modem power control.
30-Minute Window Interval
To power a communication device for a thirty-minute period that starts at 9:00 AM and ends at
9:30 AM, configure item 791 to 09 00 00 and item 783 to 09 30 00 and items 792 & 793 to 30
minutes.
9:00 |  ---------------ON----------------  | 9:30
791 783
Start End
Item 792: 30 minutes
Item 793: 30 minutes
Setting the above items to the values shown will keep a communication device on for a period of
30 minutes.
Note: that extending the time that the recorder controls the power applied to the communication
device will reduce the battery reserve. It is recommended, that if the Modem Power control
interval is greater than 15 minutes per day, that the recorder has either, a dual battery pack, a
Solar power supply, or an AC to DC power supply with battery backup.
4-Hour Window Interval
To power a communication device for a four hour interval that starts at 8 00 AM and ends at 12
00 PM, configure item 791 to 08 00 00 and item 783 to 12 00 00 and items 792 & 793 to 30
minutes.
8:00 |

---------------On-----------------

| 12:00
791 783
Start Time Ending Time
Item 792: 30 minutes
Item 793: 30 minutes
Setting the above items to the values shown will keep a communication device powered for a
interval of four hours. Take note that items 792 and 793 have the same value and having the same
value will force the recorder to apply power to the communication device for the entire interval.
Note: that extending the time that the recorder controls the power applied to the communication
device will reduce the battery reserve. It is recommended, that if the Modem Power control
interval is greater than 15 minutes per day, that the recorder has either, a dual battery pack, a
Solar power supply, or an AC to DC power supply with battery backup.
Multiple Windows- within the start and ending interval