Scitec hdst-12 User Manual

4.  Rotate the wall-mounting bracket so that the Scitec “Sun” 

designs are toward the bottom of the phone. 

5.  Insert the 4 retaining tabs of the wall-mounting bracket into the 4 

slots located near the middle of the telephone. Firmly push to 
insert the 4 retaining tabs.  They will click into place. 

6.  Connect a short line cord into the jack on the rear of the phone. 

Route the line cord through the line cord channel.  Connect the 
other end of the line cord to the phone jack on the wall. 

7.  Hold telephone in front of the 2 mushroom shaped mounting 

posts on the wall jack. Line up both keyholes on wall-mounting 
bracket with the 2 posts.  After engaging wall-mounting bracket 
with posts, slide telephone down slightly.  When properly 
installed the telephone will be firmly attached to the wall 

 
Placing calls – 

handset:  Lift handset 

speakerphone:  Press key with “speaker” symbol. 

c.  On headset:  Press key with “headset” symbol.  It is NOT 

necessary to lift the handset from the cradle. 

 
Then dial number, press [Redial] key, or press a programmed speed-
dial memory key. 
 
Answering calls – 

handset:  Lift the handset. 

b. On speakerphone:  Press the key with the “speaker” 

symbol. 

c.  On headset:  Press the key with the “headset” symbol.  It is 

NOT necessary to lift the handset from its cradle. 

handset:  During a call, place the caller on “local” or 

“PBX” hold by pressing the [HOLD] key. Then replace the 
handset in its cradle. 

b.  Using speakerphone or headset:  Press [HOLD] to place 

the caller on hold. 

 
Retrieving a held call:  Do one of the following:  Lift handset, press 
key with “Speaker” symbol, or press key with “headset” symbol. 

Note: to use PABX “system hold” or “call parking” features instead of 
“local hold,” please consult your PABX manual or installer for needed 
activation codes.  The “HOLD” key of the HDST-12 is also 
programmable, it may be programmed to use for accessing 
PABX ”system hold” and other similar features. 
 

 
On handset and headset:  Press the [VOL] key.  Each press of 
[VOL] moves to the next of 4 possible settings of  [Low – Medium – 
Medium-High – Very High], and repeats back to Low volume on the 
5

th

 press.  Adjust as desired.  There is a separate volume control 

setting for handset and speakerphone.  Therefore, it is possible to 
have a handset volume level that is different than the speakerphone 
volume. The headset volume may be adjusted on the same way as 
the handset. 
 
On speakerphone: Small adjustments to speaker volume can 
greatly affect the quality of speakerphone calls.   Adjustment from 
call to call is recommended to get best speakerphone quality. 
 

turns all microphones on and off.  Each press of 

[MUTE] toggles the microphones and the “MUTE LED” (located 
immediately above [MUTE] key) on and off.  Whenever “MUTE LED” 
is illuminated, all microphones are turned off.  You will still be able to 
hear the party at the other end of your call, but they will not be able 
to hear you or any other conversation near your desk. 
 [FLASH] key is used to access PABX system features, like “system 
hold,” “transfer/conference,” or “call park.”  Pressing [FLASH] has the 
same effect as “tapping” the hookswitch.  The standard flash time is 
600msec.  [FLASH] may be stored in programmable speed-dial 
memory keys, along with other digits.  Please see your PABX system 
manual for additional information and exact digit sequences required 
for accessing special PABX system features. 
 
[REDIAL] key - redials the last number dialed

,

 up to 32 digits total.  

It is not necessary to hang up first before pressing [REDIAL], as 
pressing [REDIAL] automatically hangs up for one second before 
redialing begins.