
5.15.2 Special Font Files
There are two standard fonts, namely the 6x8 and 8x16 fonts. However, the portable
terminals are capable of displaying special characters, such as the Chinese and Japanese
characters, providing that the specific font file has been downloaded to the terminals. Refer
to section 2.1 for details.
SELECT_FONT
Purpose
To select a font size for the LCD to display.
Syntax
SELECT_FONT(font%)
Remarks
"font%" is an integer variable, indicating the font size.
If you select 4, the font size for single byte characters will be 6x12, while it will still
take 12x12 for double byte characters. It thus provides flexibility for full/half width
Katakana (Japanese), Chinese, and alphanumeric, etc.
Value Meaning
1
2
3
4
5
Font size 6x8
Font size 8x16
Font size 16x24 (for Thai)
Font size 6x12 (for TC, SC, JP)
Font size 12x12 (for TC, SC, JP)
Example
SELECT_FONT(2)
5.16 Battery Commands
This section describes the commands relating to the battery power.
BACKUP_BATTERY
Purpose
To get the voltage level of the backup battery.
Syntax
A% = BACKUP_BATTERY
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