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PIONEER CORPORATION
4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan
PIONEER ELECTRONICS SERVICE INC.
P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A.
PIONEER EUROPE NV
Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936
C PIONEER CORPORATION 2000
K-ZZS. APR. 2000 Printed in Japan
ORDER NO.
CRT2534
HANDSFREE SYSTEM KIT
CD-HF1
E
Service
Manual


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2
CD-HF1
EXPLODED VIEWS AND PARTS LIST
PACKING
NOTE:
- Parts marked by "*" are generally unavailable because they are not in our Master Spare Parts List.
- Screws adjacent to
mark on the product are used for disassembly.
19
20
21
1
5
6
7
8
9
10
17
22
18
2
3
4
14
15
16
11
13
12
- PACKING SECTION PARTS LIST
Mark No. Description
Part No.
Mark No. Description
Part No.
1 Cord Assy
CDE6239
2 Bracket Assy
CEA2673
*
3 Sheet
CZE3266
4 Bracket
CZN6467
5 Cover
CHW1842
6 Board
CHW1844
7 Sheet
CNC8999
8 Sheet
CNC9000
9 Clamper Assy
CXB6230
10 Clamper
CNV6427
11 Cord Clamper Assy
CEA2072
12 Cord Clamper
CNV2581
*
13 Polyethylene Bag
E36-615
*
14 Screw Assy
CZE2025
15 Screw
BNC40P120FZK
*
16 Polyethylene Bag
E36-613
*
17 Polyethylene Bag
CEG1171
18 Contain Box
CHL4102
19 Microphone Assy
CPM1047
20 Cushion
MEH1007
21 Clip Stand
MNK1221
22 Owner's Manual
CRD3258
(English, Spanish, German, French, Italian,
Dutch)


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3
CD-HF1
Operation
2. Heat indicator
This lights when the unit's internal temperature
becomes high. Power automatically switches
OFF. Power automatically switches ON when the
internal temperature decreases.
1. Sensitivity level switch
This allows you to adjust the sensitivity over
which cellular signals can be received.
Low sensitivity level
Ô High sensitivity level
The sensitivity level can be changed in three
steps. If this product operates by receiving signals
from another cellular phone outside your car or
other signals, set the sensitivity level switch to the
lower level. If this product does not operate when
making or receiving a call, set the sensitivity level
switch to the higher level.
3. Power switch
Keep the switch in the ON position when using
this product. The power switch is interlocked
with that of the head unit, and is automatically
switched on and off as the head unit is operated.
OPERATIONS AND SPECIFICATIONS
Specifications
Power source ...................................................... 14.4 V DC
(10.8 ­ 15.1 V allowable)
Grounding system .......................................... Negative type
Max. current consumption ........................................ 15 mA
Detection signal .................................. 800 MHz ­ 1.8 GHz
Dimensions ...................... 45 (W)
× 21 (H) × 100 (D) mm
[1-3/4 (W)
× 7/8 (H) × 3-7/8 (D) in.]
Weight .......................................................... 110 g (0.2 lbs.)
Note:
· Specifications and the design are subject to
possible modification without notice due to
improvements.