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[37] Test button:
Pressing the test button engages the test signal
generator to allow for adjustment of all speaker lev-
els, so that each channel can be adjusted for equal
loudness at your listening position. The test signal
cycles automatically with 3-second intervals from
Front Left, Center, Front Right, Rear Right, Back
Right, Back Left, Rear Left, to Subwoofer in continu-
ous cycles. If an adjustment in setting is made for
one of the channels, cycling will pause for 3 sec-
onds after the adjustment was made. Both display
panel and OSD show which speaker is being fed
with the test signal. Use the cursor down and up
buttons to respectively decrease or increase the
level for the current speaker. Press the test button
again to leave or cancel the test mode, any changes
will be memorized automatically.
[38] Bal (balance check) button:
In main mode, button is preprogrammed to initiate
balance check procedure.
Even when the GTP-830 is correctly set-up, it may
sometimes be desirable to make minor adjustments
to suit the material you are listening to. Pressing the
bal button allows for direct adjustment of Center,
Surround, and Subwoofer levels. Press the bal
button to scroll to the next speaker. Both display
panel and OSD show which channel can be adjust-
ed. Use the Down and Up arrow buttons to respec-
tively decrease or increase the level for the current
channel.
[39] Backs button:
In all modes, this button is preprogrammed to
toggle on and off the Surround Back speakers.
[40] Repeat button:
In CD mode, this button is preprogrammed as
“repeat” command for ADCOM CD player.
[41] Random button:
In CD mode, this button is preprogrammed as “ran-
dom” command for ADCOM CD player.
[42] Tuning Up/Down buttons:
In tuner mode, these buttons are prepro-
grammed to scan up or down the GTP-830’s
AM or FM band.
[43] Pre/Tune button:
In main and tuner modes, this button toggles
between manual tuning and preset station functions
for the tuning up and down buttons [42].
[44] RDS button:
In main and tuner modes, cycles through the RDS
functions of the tuner. Refer to the Display button
description [02] for more information about RDS.
[45] AM button:
In main and tuner mode, buttons are prepro-
grammed to select the AM band.
[46] FM button:
In main and tuner mode, buttons are prepro-
grammed to select the FM band.
[47] M1, M2, M3, M4 (Macro Keys):
These buttons are programmable for use with any
source.
[48] Sleep button:
Press sleep to make the GTP-830 automatically
switch off after a preset number of minutes.
Pressing the sleep button once will set the sleep
time to 90 minutes, after which the GTP-830 will
automatically switch off into Standby mode. Sleep
mode is shown on the Display Panel. To adjust the
Sleep Delay, press the sleep button, each
consecutive press will reduce the sleep time in 30-
minute increments, as shown in the Display Panel.
To cancel the sleep mode, continue pressing the
sleep button until the sleep time returns to 0 min-
utes. Pressing the power on the front panel [01] or
stand-by button will also cancel the sleep mode.
[49] Backlight button:
No programming capabilities. Button
backlights all keys for eight (8) seconds when
pressed.
[50] Dim button:
In main mode, button is preprogrammed to dim
GTP-830’s information display.
[51] Main button:
In all modes, button provides access to the
GTP-830. For instance, to turn on the test
tone generator first push [51] the main
button, then push [37] the test button.
PRODUCT FEATURES
ADCOM OWNER’S MANUAL | 23