Gentner Digital-6 User manual

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2 Digital-6 User’s Guide
Contents
How to use Digital-6............3
Tuning...............................6
Frequency Chart................10
Correcting Interference.....11
Recharging........................12
Specifications.................14
Notice................................15
Compliance.....................16
Warranty...........................17
Contact Numbers..............20
Digital-6 User’s Guide, June 1998 (Rev.1.0)
© Copyright 1998 by Gentner Communications Corporation.
All rights reserved. Information in this manual is subject to
change without notice.

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Digital-6 User’s Guide 3
How to Use Digital-6
Power Source
The Digital-6 receiver operates on two AA-size
batteries (alkaline or rechargeable Ni-Cad). To
install the batteries, place your thumbs on either
side of the pocket clip and slide the battery cover
off. Note the polarity markings and insert the
batteries as shown.
Digital-6 (back)
Battery
Cover

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4 Digital-6 User’s Guide
How to Use Digital-6
Operating Instructions:
❏❏
❏❏
❏ Step 1
Plug the earphone into the earphone jack.
The earphone cable also acts as the receiver
antenna. Extend the cable fully for the best
reception and least interference.
❑❑
❑❑
❑ Step 2
Turnonthereceiverbyrotatingthevolumewheel.
The red power LED will light up. This indicates
that the receiver is ON and the batteries are
properly charged.
❑❑
❑❑
❑ Step 3
Adjust the volume to the desired listening level.
WARNING!
To avoid harm to ears, keep all receivers
OFF until the transmitter is operating at
full power. Keep volume setting at low to
mid-range at all times.

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Digital-6 User’s Guide 5
✰ Note:
Be sure to turn off the receiver when it is not in
use. This will help preserve the battery charge.
A white line will appear centered at the top of
the thumb wheel when in the OFF position.
❑❑
❑❑
❑ Step 4
To change presets, turn the preset selector
wheel. Thecurrentpresetwillappearintheround
window on the front of the receiver.
Digital-6
(top)
(front)
CH
6
Preset
Selector
Earphone
Jack
ON/OFF
Volume
Power
LED

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6 Digital-6 User’s Guide
Tuning
Changing Preset Selection:
The Digital-6’s six presets come factory set to
frequencies across the Assistive Listening Band
selected for best overall performance:
Preset Factory Setting Frequency
1 Channel 2 72.1 MHz
2 Channel 10 72.5 MHz
3 Channel 19 72.95 MHz
4 Channel 21 74.7 MHz
5 Channel 28 75.5 MHz
6 Channel 36 75.9 MHz
You may change the presets by following the
step-by-stepinstructionsonthenextthreepages.
See page 10 for frequencies corresponding to
other channels.The Digital-6 receiver is digitally
tuned. Once a channel is selected, no further
adjustments are necessary.

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Digital-6 User’s Guide 7
❑ Step 1
Remove the battery cover from the back of the
receiver.
❑ Step 2
RemovethetwoPhillipscasescrewsandremove
the back panel.
Battery
Cover
Digital-6 (back)

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8 Digital-6 User’s Guide
Tuning
❑Step 3
Turn the preset selector wheel to the desired
preset (1-6).
❑ Step 4
Using a small, flathead screwdriver, turn the
channel setting rotary switches to the desired
channel number. The left-hand switch indicates
the“ones”place. The right-handswitch indicates
the “tens” place. The example below shows the
setting for channel 19.
❑ Step 5
Push the memory button to save the channel
setting to the current preset. Repeat steps three
through five for each preset.
1
2
4
3
5
6
7
8
9
0
0
1
2
3
Ones
Place Tens
Place
Memory
Button

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Digital-6 User’s Guide 9
PB Board
1
2
4
3
5
6
7
890
0
1
2
3
1 90
Channel Setting
Rotary Switches
Memory
Button
Preset
Selector
✰ Note
Before changing batteries, wait one minute after
turning off the receiver. This allows the CPU to
switch from active mode to standby mode.
Otherwise memory will be lost and the presets
will return to the factory settings. Also, units
withoutpower(dueto no/dead batteries)formore
than one hour will revert to the factory presets.

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10 Digital-6 User’s Guide
Frequency Chart
Channel *Frequency Channel *Frequency
01 72.05 20 74.65
02 72.10 21 74.70
03 72.15 22 74.75
04 72.20 23 75.25
05 72.25 24 75.30
06 72.30 25 75.35
07 72.35 26 75.40
08 72.40 27 75.45
09 72.45 28 75.50
10 72.50 29 75.55
11 72.55 30 75.60
12 72.60 31 75.65
13 72.65 32 75.70
14 72.70 33 75.75
15 72.75 34 75.80
16 72.80 35 75.85
17 72.85 36 75.90
18 72.90 37 75.95
19 72.95 *Frequencies are in MHz