Kenwood EZ 900 HDS Service Manual

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Kenwood EZ 900 HDS Service Manual

Extracted text from Kenwood EZ 900 HDS Service Manual (Ocr-read)


Page 17

Ez7OOSR/E2900HDS

HD RADIO TEST MODE

1. How to Start/End the Test Mode

1-1. How to start the test mode

While pressing Preset 1 and Preset 3 keys at the same time,
press the reset button. Keep on pressing on the Preset keys,
until the H/U boots up. (Note :That the volume is turned up to
maximum in the test mode.)

1-2. How to end the test mode

While pressing Preset 6 key, press the reset button. If the re-
quests are made to panel removal and other modes, the test
mode is cleared.

2. Operational Specifications

Operations in the test mode are those functions needed for

tests added to the normal mode. Also, there are the following

points that are different from the normal mode in addition to

the added functions for the test mode.

- For the CRSC function, the default is OFF

- Span switching is made ineffective and operations are al»
ways those for K-destination.
Note :When switching span in the normal mode, it is pos-
sible to receive only analog. Digital cannot be received. Also,
since the reception mode is removed from the menu,
changes cannot be made on the reception mode.This means
the unit will always function in the analog mode.

3. Operation of the Head Unit

3-1. Operation with the source ON

Only in the test mode, when Tuner/HD Radio source is ON,
the tuner condition is checked. When an error is detected, the
error content is displayed in 5 digits of frequency section. When
normal, the normal frequency is displayed.

FM1 87. 9

Display of adjusted tuner

FM1 888. 88

Display of un-adjusted tuner

FM1 999. 99
EIIIII

Display of tuner when there is an error

3-2. Normal test mode

In the test mode, when Tuner/HD Radio is sourced, there are
two modes: normal test mode and reverse test mode for ser»
vicing. The differences in these modes are that allocations of
preset keys are different. Shown below are the allocations of
preset keys in the normal test mode.

Allocations of preset keys in the normal test mode

1 2 3 4 5 6
Receive For
HF1 Call 87.9MH298.1MHZ107.9MHZ Versmn ,
Mode Servtce
Memory - - S-meter
, Receive For
HF2 Call 0 O O Versmn Mode Service
Memory 0 O O S-meter
Receive For
HF3 Call 0 O O Versmn Mode Service
Memory 0 O O S-meter
Receive For
HA1 Call 530kHz 1000kHz 1700kHz Versmn Mode Service
Memory S-meter

Note :Those in italic indicate E2900HDS only.

3-2-1. Version display (EzQOOHDS only)

In each band, pressing Preset 4 key would display versions of
the host controller and IBM. In order to display the versions,
select Title by switching DISP of H/U.

3-2-2. Reception level display (S-meter value)

In each band, by using a long-push on the Preset 4 key, dis-
play of the S-meter values begin. In the frequency section, the
S-meter value is displayed in 2 digits. For the display. select
Frequency in the DISP switching of H/U. S-meter value is up»
dated once every second. Using a long-push on the Preset 4
key would end the S-meter value display and the unit returns
to the normal frequency display.

FM1 25.

17