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BASE UNIT
1. Test Mode
[Entering the Test Mode]
[INTERCOM]
While pressing the
[DIAL MODE]
change over the
[LINE1]
[LINE2]
light up the
,
[Releasing the Test Mode]
[FLASH]
Press the
key.
[Key Functions]
[MUTING]
key
:Toggle TX power.
[VOLUME +]
key :Increment channel.
[VOLUME -]
key :Decrement channel
[0]
key
:Clear all speed dial locations.
[HOLD]
key
:Light up the all LEDs and LCD back light (ex-
[CHARGE]
cept
L1
Activated
RINGER RINGER
Switch
Idle
OFF
Handset on
LOW
L1, L2 Idle
Handset on
OFF
L2, L1 Idle
Base Unit on L1,
HIGH
L2 Idel**
Base Unit on L2,
OFF
L1 Idel
Handset on L1,
LOW
Base Unit on L2
Handset on L2,
HIGH
Base Unit on L1
Handset on L1
LOW
& L2 Conf
Base Unit L1
HIGH
& L2 Conf
Intercom
OFF
Handset & Base
HIGH
Unit Both on L1
Handset & Base
OFF
Unit Both on L2
4-way Conf
HIGH
Note:
HOOK SW1 & HOOK SW2 are logic "0" (hook switch (es) activated)
corresponding to the active line (s).
MIC MUTE & ASIC SPK MUTE are logic "0" (speakerphone IC & driver
enabled) when base speakerphone is activated.
TAD L1 is logic "1" (TAD audio O/P & I/P connected to L1) in the "Hand-
set on L2, L1 Idle" condition.
TAD L2 is logic "1" (TAD audio O/P & I/P connected to L2) in the "Handset
on L1, L2 Idle" condition
TAD L1 & TAD L2 are logic "0" (TAD audio switches open) in all other
conditions.
ELECTRICAL ADJUSTMENTS
key, turn the power ON, then
switch. When enter the test mode,
[CHARGE]
and
LEDs.
[SPARE BATTERY]
and
L2
TONE/
Audio
PULSE
Control
Switch
Switch
OFF
PULSE
None
OFF
PULSE
L1 EN
LOW
PULSE
L2 EN
OFF
PULSE
SPK1 EN
HIGH
PULSE
SPK2 EN
L1 EN,
HIGH
PULSE
SPK2 EN
L2 EN,
LOW
PULSE
SPK1 EN
L1 EN, L2 EN,
LOW
PULSE
CONF
SPK1 EN,
HIGH
PULSE
SPK2 EN,
CONF
OFF
TONE
INT COM
L1 EN, SPK1 EN,
OFF
TONE
INT COM
L2 EN, SPK2 EN,
HIGH
TONE
INT COM
L1 EN, L2 EN,
SPK1 EN,
HIGH
TONE
SPK2 EN,
INT COM, CONF
SECTION 3
** FSK SEL is logic "1" (L1 FSK routed to External CID & L2 FSK
routed to ASIC) in the "Base Unit on L1, L2 Idle" condition.
FSK SEL is logic "0" (L2 FSK routed to External CID & L1 FSK
routed to ASIC) in all other conditions.
2. Adjustment Equipment and Connection
– BASE MAIN BOARD
(Component Side) –
LEDs)
3. Check the 18.4 MHz Frequency Error
Procedure:
1. Enter the Test Mode.
2. Connect the frequency counter to the test point J1 on the RF
unit.
[MUTING]
3. Press the
4. Check the frequency ± 1 kHz.
5. If the result is within ± 1 kHz then no alignment required.
Otherwise, refer to next item.
4. Adjustment the 18.4 MHz Frequency Error.
Procedure:
1. Remove C1122 from the BASE MAIN board.
2. Solder on 20 PF variable capacitor C1164 (1-164-160-11) on
the BASE MAIN board (in parallel of C1120).
3. Enter the test mode.
4. Connect the frequency counter to the test point J1 on the RF
unit.
[MUTING]
5. Press the
6. Adjust C1164 on the BASE MAIN board for 0 Hz ± 1kHz.
– 21 –
frequency counter
+
–
RF UNIT
U1000
C1164
C1120 C1122
key to turn on the TX power.
key to turn on the TX power.
J1
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