4. Adjustments
5. Uploading the user firmware.
1.TURN THE SWITCH (S1) on IN TX-RX1 UNIT (X57-605 a).
2.Upload the user firmware, using"user firmware write" menu.
3.Turn the switch (S1) OFF in Tx-Rx1 unit.
4.Turn the transceiver ON while pressing A=B key to perform the full
reset.
6. Checsum confirmation
Switch the transceiver on while pressing and hold N.R. and mic/car
keys.
If the user firmware has not changed, the checsum is the same as the
value in step 1.
If the user firmware has been updated the checsum should match the
new checksum.
7.Uploading the user firmware.
1. Turn the transceiver on while pressing a=b key to perform the full
reset.
2. Run the programming software (w05-0855-00), then select
menu/MRch Write to the radio.
PROCEDURE FOR WRITING ADJUSTMENT FIRMWARE (FOR BOTH USER AND
ADJUSTMENT FIRMWARE)
1. REMOVE THE LOWER CASE AND SET THE SLIDE SWITCH (S1) of the TX-RX 1
unit (x57-605A) to on (move the switch toward the front)
2. Connect the RS 232 C port of the personal computer with the COM
port of the main unit with a D-SUB (9-pin) straight cable (female-
female) this is the same cable as you use for all other software
comminication with the set.
3.Connect the external power suply put it ON The main unit does not
turn on any indicators, but it is ready to rewrite firmware.
Do not operate the power switch on the main unit!!!!!
4. write firmware using the writing software. there is a help file
with the software!!
5.After writing the the firmware turn the external power suply OFF
and remove the rs 232 cable.
6. Set the slide switch (you know now where it is??? :-)
(s1) to off (move the4 switch toward the rear)
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