Denso BHT-7500S User Manual page 36

The functions of the keys may be set by user programs. Shown below is a set of
sample functions.
C (Clear) key
Clears the last inputted
data or returns to the
original screen. If pressed
together with SF key,
this C key works as a
backspace key.
PW (Power) key
Turns the BHT on or off.
Trigger switch
(M3 key)
Cursor keys
Used to move up to the
preceding line, down to the
next line, to the preceding
character, and to the next
character.
Numerical keys
Used for numerical
input.
Function keys
Used for choosing
functions.
Status Indicators
Battery voltage level
Shows the current battery voltage level.
If the voltage level is high, three bars appear; if low, a
single bar appears.
The displayed battery level shows the terminal voltage
of the battery cartridge, not how much power is left.
Keypad shift state
Shows a bar when the keypad is shifted.
SF
Alphabet input
Shows a bar when the alphabet input function is activated.
ALP
Synchronization display (BHT-7500S/7500W only)
Shows a bar when the BHT is synchronized with an access
point.
16
ALP (Alphabet) key
Switches the keypad
to alphabet entry.
SF (Shift) key
Used in combination with
numerical keys for special
input procedures.
Trigger switch (M4 key)
M1/M2 (Magic) keys
Used as any of the trigger
switch (default), ENT key,
SF key, and backlight
function on/off key depend-
ing upon definition in
System Mode or in user
programs. These keys can
be also assigned string data.
ENT (Enter) key
Finalizes the inputted data
or operations, and starts
the corresponding process-
ing.