Paxar Gold 6037EX Programmer's Manual page 60

p c l G e t B a t t e r y L e v e l
Description
Retrieves the NiCd battery's level. This battery is located in the
printer's handle. It is good programming practice to check the
battery level before any processing.
Syntax
unsigned short far pclGetBatteryLevel(void);
Parameters
None
Return Values
<= 711
712-831
>= 832
4-24 Programmer's Manual
Use this function immediately prior to
printing, but not during printing. If you use
this function during printing, the return value
is not accurate.
You must charge the battery.
The battery level is high enough to run the printer, but
not print.
The battery level is high enough to run the printer and
print.