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EEPROM INITIALIZE MODE
Procedure:
1. Turn on the power to place the set in the standby state.
2. Press the [BAND/SET], [LIGHT] and [MODE/FREEZE] keys
simultaneously for 5 seconds, or short the TP116 (KS0) and
TP117 (KR3) on the key board.
3. When the EEPROM initialize mode is activated, the BEEP
1 is outputted and "dEL" is displayed on the LCD for one
second.
4. After one second elapsed, the BEEP 2 is outputted, and the
EEPROM initialize mode is deactivated and the set returns to
the standby state.
LCD AND KEY TEST MODE
Procedure:
1. Turn on the power to place the set in the standby state.
2. Short the TP115 (KS1) and TP117 (KR3) on the key board.
3. When the LCD and key test mode is activated, the BEEP 1 is
outputted and the LCD becomes all lit state.
LCD display
FM
AM
AM
PM
CLOCK ODO DIST RT AVG MAX
4. Each time a key is pressed, the segment assigned to each key
turns off (see below). Also, if the [LIGHT] key is pressed, the
LCD back light turns on. (It turns off at the release of LCD
and ket test mode)
5. When all keys were pressed, the BEEP 2 is outputted, and
the LCD and key test mode is deactivated and the set returns
to the standby state.
Note 1: The pulse input is ignored during each test mode.
Note 2: In the event that the VDET1 terminal (pin rl of IC101) on the key
board detects "L" during each test mode, the test mode is deactivated
and the set returns to the standby state.
Note 3: The amplifier power turns on by the main clock operation to prepare
for the BEEP output during each test mode.
Key
Segment
POWER
S0, S2, S4
TUNE MODE
S6, S8, S10
BAND/SET
S12, S14, S16
+
S18, S20, S22
–
S3, S5, S7
RESET
S9, S11, S13
MODE/FREEZE
S15, S17, S19
ENTER/SELECT
S21, S23, S25
LIGHT
S1, S24
LCD display-1
LCD display-2
SECTION 4
TEST MODE
FREEZE
PRESET
MHz
kHz
MPH
km/h inch
mm
MPH
km/h
mile
Display
below LCD display-1
below LCD display-2
below LCD display-3
below LCD display-4
below LCD display-5
below LCD display-6
below LCD display-7
below LCD display-8
below LCD display-9
kHz
MPH
km/h inch
mile
RT AVG MAX
LCD display-3
AM
PM
CLOCK ODO
LCD display-4
LCD display-5
FM
AM
LCD display-6
LCD display-7
LCD display-8
LCD display-9
Connecting Location:
– KEY BOARD (Conductor Side) –
TP117
(KR3)
IC101
TP115
(KS1)
TP116
(KS0)
ICF-M88B
DIST
mm
MPH
km/h
FREEZE
PRESET
MHz
7
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