Icom IC-M802 Service Manual page 19

ENTERING THE ADJUSTMENT MODE
1 Turn the power OFF.
2 Push and hold the HM-135's [DOWN] key, [TX] and [RX] buttons, then turn the power ON.
NOTE: Inserting the 15 kΩ resistor between 2 pin and 6 pin of HM-135 works same as pushing and holding HM-135's [DOWN]
key (See the illustration on page 4-2).
[DOWN] key
OPERATING ON THE ADJUSTMENT MODE
• Enter the TX adjustment from the MAIN menu
• Enter the RX adjustment from the MAIN menu
• Enter the DSC adjustment from the MAIN menu
• Change the next adjustment item
• Return to the pre-adjustment item
* * * A D J UST
[ 1 ] T X [ C A N C E L ]
[ 2 ] R X B A C K T O H E R E
[ 3 ] D S C
T X R X D S C
Main menu
TX ADJUSTMENT ITEM CHANGING
[1]
MAIN TX
menu set
[CE]
RX ADJUSTMENT ITEM CHANGING
[2]
RX total
MAIN
gain
menu
[CE]
DSC ADJUSTMENT ITEM CHANGING
[3]
DSC
MAIN
adjustment
menu
[CE]
Connect to [MIC] connector.
[3]
[1]
[2]
M OD E * * *
0 . 80 -0 00
2 . 9 1- 00 0
0 . 78
[0] [0]
TX TX power
gain (High)
[CE] [CE]
[0]
[0]
S level
S level
zero
[CE]
[CE]
[0]
*DSC
demodulation
[CE]
[POWER]
: Push the [1] button
: Push the [2] button
: Push the [3] button
: Push the [0] button
: Push the [CE] button
Push [1]
Push [2]
Push [3]
[0] [0]
TX power TX power
(Middle) (Low)
[CE] [CE]
8
*NOTE: DO NOT adjust the "DSC DEMODULATION".
[0]
DSC
self check
[CE]
4 - 2
[TX]
[RX]
* * * A D J UST M OD E
R X
S E T
TX adjustment menu
* * * A D J UST M OD E
R X
R X T O T A L G A I N
5 4 ( 1 . 6 4 7 )
S E T
RX adjustment menu
* * * A D J UST M OD E
R X
D S C A D J US TM E N T
8 4 1 4 .5
F R Q S E T
DSC adjustment menu
[0]
TX tune
power
[CE]
Thus, after adjusting the "DSC adjustment",
push the [0] button twice to skip it.
* * *
J 3 E
* * *
J 3 E
* * *
J 3 E