Initial Tests - Heathkit GC-1005 Assembly Manual

Electronic clock
Hide thumbs Also See for GC-1005:
Table of Contents

Advertisement

Page 21
Refer to Figure 2 (fold-out from Page 23) to identify the
function of each switch.
NOTE: If you do not obtain the proper results in any of the
following steps, unplug the line cord plug and proceed to the
"In Case of Difficulty" section on Page 22.
(
)
Set the six switches to the positions shown.
(
)
Plug the line cord plug into an AC outlet. Each of the
six display digits should indicate an eight.
(
)
Push the TIME HOLD switch to the right and back
again. The display should now indicate 12:00:00 or
00:00:00 and start keeping time.
(
)
Push the Alarm Set switch to the right. The display
should now indicate 12:00:00 or 00:00:00 and the
AM-PM lamp should be on.
<
)
Push and hold the HOURS SET AHEAD switch to the
right. The HOURS DISPLAY will now advance one
digit each half second. The AM-PM lamp will turn on
and off each six seconds.
(
)
Release the HOURS SET-AHEAD switch.
{
)
Push and hold the MINUTES SET-AHEAD switch to
the right. The MINUTES DISPLAY will now advance
one digit each half second.
(
)
Push both the MINUTES SET AHEAD switch and the
HOURS SET-AHEAD switch to the right. The tens of
minutes will now advance one digit each half second.
(
)
Push
the
MINUTES
and
HOURS
SET-AHEAD
switches as necessary until the MINUTES DISPLAY
indicates
45
minutes;
then
quickly
release
the
MINUTES SET-AHEAD switch.
Continue holding the HOURS SET-AHEAD switch
until the HOURS DISPLAY indicates 6 and the
AM-PM lamp is on (indicating AM). Then quickly
release the switch.
(
)
Push the ALARM SET switch to the left.
{
)
Push the ALARM ON-OFF switch to the ON (down)
position.
(
)
Push the TIME HOLD switch to the right.
(
)
Push both the HOURS SET-AHEAD switch and the
MINUTES
SET-AHEAD
switch
to
the
right as
necessary until the MINUTES DISPLAY indicates 44
minutes.
Then
quickly
release
the
MINUTES
SET-AHEAD switch.
(
)
Continue holding the HOURS SET-AHEAD switch
until the HOURS DISPLAY indicates 6 and the
AM-PM lamp is on (indicating AM). Then quickly
release the switch.
(
}
Push the TIME HOLD switch to the left. The clock
should now start keeping time and in approximately
one minute the alarm should sound.
(
)
When the alarm sounds, push the SNOOZE ALARM
switch down (to reset the snooze alarm) and release
the switch. In approximately seven minutes, the alarm
should sound again.
(
)
Push the ALARM ON-OFF switch up to the OFF
position.
This completes the "Initial Tests."
INITIAL TESTS
<
)

Advertisement

Table of Contents
loading

Table of Contents