IBM TM7 - Manual (Page 163)

n2 Sets the beeper volume and tone.
Bits 0–3
The note. Bit 0 is the LSB.
Bits 4–5
The octave.
Bits 6 Reserved.
Bit 7 Volume. 0 = loud, 1 = soft.
Value (Bits 0–3) Note Value (Bits
0–3) Note Value (Bits
4–5) Octave
0000 – 0 C 1000 – 8 G# 00 – 0 1
0001 – 1 C# 1001 – 9 A 01 – 1 2
0010 – 2 D 1010 – A A# 10 – 2 3
0011 – 3 D# 1011 – B B 11 – 3 4
0100 – 4 E 1100 – C Rest /
Silence
0101 – 5 F 1101 – D Reserved
0110 – 6 F# 1110 – E Reserved
0111 – 7 G 1111 – F 1 KHz
(normal
beep)
Default:
n = X'00'
Purpose:
To enable or disable the beeper.
Remarks:
v Any value other than X'00' or X'FF' is treated as an amount of time that
the beeper is to be enabled. The time is calculated as n1×0.1 seconds.
v To stop a beep command early, send the Disable Beeper command.
v Timed beeps can be chained together. They can also be downloaded as
canned messages.
v A value of n2=X'2F' is recommended for the most audible tone.
Enable or Disable Upside-Down Printing
This command is supported only for the thermal station.
RS-232 Syntax:
ESC { n or X'1B 7B n'
where:
n Enables or disables upside-down printing.
X'00' Disable upside-down printing.
X'01' Enable upside-down printing.
Default:
n = 00
updated March 18, 2002
Appendix C. RS-232 Programming Information 139