DORAN MODEL 8000
OPERATING AND SERVICE MANUAL
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4.5 LOW BATTERY INDICATION
The "BATT" annunciator will flash to indicate that the battery needs recharging. Once
"BATT" begins flashing, there will be approximately four more hours of battery life
before the scale shuts down. The 8000 remains accurate and useable even with
"BATT" flashing.
4.6 OVERLOADS
Placing loads greater than the scale's capacity on the platform causes the 8000 to
display an overload message.
A "--OL--" is displayed for slight overloads (over 103% of capacity), and "grS-OL" for
gross overloads.
A "--UL--" is displayed for digital underload conditions. A "grS-UL" is displayed for
gross underload conditions.
If any of these messages appears, remove the load from the scale IMMEDIATELY;
serious damage could result.
5. USING THE DATA INTERFACE
5.1 INTRODUCTION
Your Model 8000 is equipped with an RS-232 Serial Data Output. The optional Serial
Data Cable is required. The data output is a single, RS232C compatible output.
Transmitted characters are all standard ASCII with the following format:
1 START BIT, 8 or 7 DATA BITS, NO, ODD, or EVEN PARITY, 2 STOP BITS
5.2 DATA TRANSMISSION MODES
Data output can be initiated in one of six ways:
5.2.1 Transmit On Demand (tod)
Transmission of weight data from the RS232 port is initiated by pressing PRINT.
Weight data will be transmitted provided the scale is stable and not in overload.
Meeting these two criteria insures that no erroneous weights are transmitted.
5.2.2 Auto-Print 1 (AP1)
The scale will transmit once for each stable weight. Data transmission occurs any time
the scale goes into motion and stabilizes again.
This output mode can be used with either a printer or computer/data-logger when a
complete sampling of weights and a minimum of operator intervention is desired.
5.2.3 Auto-Print 2 (AP2)
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