Kenwood KCH-16 Service Manual page 27

■ Operation procedure
1) Start up the fi rmware programming software (Fpro.exe
(ver. 3.06a or later)).
2) Set the communications speed (19200 bps) and commu-
nications port in the confi guration item.
3) Set the KCH-16 service fi rmware to be rewritten by File
name item.
4) Turn ON the output of the DC power supply while press-
ing and holding the [ ] and [ ] keys. "PROG 19200 H" is
displayed.
5) Press the "write" button in the window. When the
KCH-16 starts to receive data, the [PG] display blinks.
Event
Power On
Press PF 1
[S] Key
Release PF 1
Press PF 2
[A] Key
Release PF 2
Press PF 3
[B] Key
Release PF 3
Press PF 4
[C] Key
Release PF 4
Press PF 5
[Orange] Key
Release PF 5
Press Left
[ ] Key
Release Left
Press Right
[ ] Key
Release Right
Press Down
[ ] Key
Release Down
Press Up
[ ] Key
Release Up
Press DTMF 1 Key ON
[1] Key
Release DTMF 1 Key OFF
Press DTMF 2 Key ON
[2] Key
Release DTMF 2 Key OFF
Press DTMF 3 Key ON
[3] Key
Release DTMF 3 Key OFF
Press DTMF 4 Key ON
[4] Key
Release DTMF 4 Key OFF
ADJUSTMENT
Main LCD Sub LCD
Red
*1 *1
Key ON
Blank
Key OFF
Key ON
Blank
Key OFF
Key ON
Blank
Key OFF
Key ON
Blank
Key OFF
Key ON
Blank
Key OFF
Key ON
Blank
Key OFF
Key ON
Blank
Key OFF
Key ON
Blank
Key OFF
Key ON
Blank
Key OFF
Blank
Blank
Blank
Blank
6) If writing ends successfully, the checksum is calculated
and a result is displayed.
7) Turn it ON after turning OFF the output of the DC power
supply.
8) The KCH-16 LCD all lights. If nothing is operated, the
state of all lighting is continued.
9) Check the Key/ Volume/ Hook/ LCD display/ LED/
LCD brightness operation.
Confi rm the operation as shown in Table 1 when each
key is pressed, released, the volume is rotated or the
hook is turned on and off. However, the operation of the
power switch cannot be confi rmed.
10) Check the Microphone operation.
Confirm the waveforms can be observed according to
the voice when KCH-16 is talked to while observing the
oscilloscope.
11) Write the user fi rmware according to the following pro-
cedures after confirming the microphone operation of
step 10.
q In the Fpro.exe window, set the user fi rmware to be
rewritten by the File name item.
w Turn OFF the output of the DC power supply.
e Carry out the operations in steps 4 to 6.
Table 1
TX LED BUSY LED
Green Red Green
KCH-16
LCD Brightness
High Mid Low Off
27