
I‑5039
15
(3) Connection of grip switch
(The procedure is the same as for the connection of battery box connector.)
Take out the grip switch from the storage compartment, and connect it to the GRIP/EXT. connector.
.
(4) Checkup of battery voltage
Turn ON the [POWER] switch (on the control panel),
and push the BATT.CHECK box to read the battery check meter.
*If the red lamp alone lights up, the battery must be replaced
immediately because the MODEL ST-306 will not work properly.
(Under such condition, the display may fail to drive the display elements properly.)
CAUTION
When replacing the dry cells, strictly observe the precautions instructed
under the heading, BATTERY HANDLING PRECAUTIONS . Failure to
observe the precautions may lead to serious injuries and environmental
pollution
(5) Self-check operation
Check all display digits before operation as follows.
[Display sequence]
Set FUNCTION to 00 .
Black
Hold down the 0-9 switch and [SET] switch
simultaneously for more than 3 seconds.
0
Release the switches as soon as the self-check sequence
starts.
1
The self-check sequence is run for one cycle only. To
repeat the cycle, hold down the 0-9 switch and [SET]
switch simultaneously for more than 3 seconds
again.
.
.
.
Black
(6) Measurement and display range
RANGE switch setting
(minimum indicating unit)
Maximum display time
Remarks
1s
99h59m59s
In case MAX TIME is 99h
1/10s 59m59s9
1/100s 59m59s99
During counting, the fractions of
a second are blacked out.
NOTE: When the MODEL ST-306 is operated on an external display signal, its time display will follow
the RANGE switch setting.
BATT.CHECK
(OK)
Red Green
BATT.CHECK
(To be replaced)
Red
Righthand
side
CONNECTION:
Hold the connector
as illustrated,
align
the groove with the
guide key, and
insert straight until
clicked into
position
.
DISCONNECTION:
Hold and pull the
connector out as
illustrated.
As soon as the display is turned
black, the buzzer will sound for
about 5 seconds