11
C h e c k i n g t h e B a t t e r y V o l t a g e
The following commands/control characters involve the printer's battery.
Command
Description
ESC-'P'-'^'
Prints the battery voltage.
ESC-'P'-'!'
Requests the battery voltage from the printer.
16
hex (Ctrl-V)
NiCD and NiMH batteries only.
Requests the
print buffer and battery statuses. The printer
responds with:
ESC-'B'-(pbchars)-CR-LF-ESC-'V'-#volts#-CR-
LF
(pbchars)
The number of characters
currently in the print buffer.
#volts#
Four ASCII characters. The first
three are the battery voltage
(form
x
.
x
).
The fourth character categorizes
the voltage listed to give it a
reference. Values are
1-4
, where
1
is high and
4
is low.
We recommend designing your
applications so the user can check
the printer's battery voltage.