3-1. Selecting the Mode for Service-related
3-1.1. Actions
Select diagnostic mode (service path check mode), protection history display mode, or 232C standby
clear mode.
3-1.2. Starting up
While holding down buttons "
ZONE2 SOURCE
" and "
STATUS
" simultaneously, press the power button
to turn on the power.
Select the desired mode using the "
TUNER PRESET CH+
" button, then press the "
STATUS
" button to
conî™°rm.
3-1.3. Displaying and Selecting Each Mode
The information shown on the display switches each time the "
TUNER PRESET CH+
" button is
pressed.
Press the "
STATUS
" button to set the currently displayed mode and restart the device.
q
L1
1SERVICE
L2
CHECK
L3
Service Path Check Mode：See "DIAGNOSTIC MODE"
The Video and Audio paths can be checked.
This function is convenient for conî™°rming problem paths in the product and checking the
paths after repairing.
w
L1
2PROTECT
L2
L3
The protection history can be checked.
e
L1
3RS232C
L2
RESET
L3
Switches from 232C standby mode to normal standby mode.
r
L1
4OP INFO
L2
L3
Operation Info for the unit can be checked.
t
L1
5TUNER
L2
FREQ
L3
Enables reception STEP of the ANALOG TUNER to be changed.
3-1.4. Canceling the selected mode
Press the power button to turn off the power.
119
Caution in
servicing
Electrical Mechanical Repair Information Updating
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